Taxonomic Changes to Queensland Plants
Compiled by Jan SkedThe following list is sorted by the plant's NEW name. We also have a list sorted alphabetically by OLD species name.
Species names that are followed by an asterisk (*) are those of introduced plants.
auct. non = “of author(s) other than”.
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
| New/Current Name | Old Name | Previous Family | New/Current Family |
| A | |||
| Abrodictyum brassii | Cephalomanes brassii | Hymenophyllaceae | |
| Abrodictyum brassii | Macroglena brassii | Hymenophyllaceae | |
| Abrodictyum caudatum | Cephalomanes caudatum | Hymenophyllaceae | |
| Abrodictyum caudatum | Trichomanes caudatum | Hymenophyllaceae | |
| Abrodictyum obscurum | Abrodictyum elongatum | Hymenophyllaceae | |
| Abrodictyum obscurum | Cephalomanes obscurum | Hymenophyllaceae | |
| Abrodictyum obscurum | Selenodesmium elongatum | Hymenophyllaceae | |
| Abrodictyum obscurum | Trichomanes elongatum | Hymenophyllaceae | |
| Abrodictyum obscurum | Trichomanes obscurum | Hymenophyllaceae | |
| Abroma molle | Abroma molle | Sterculiaceae | Byttneriaceae |
| Abutilon albescens | Abutilon asiaticum v. australiense | Malvaceae | |
| Abutilon guineense | Abutilon indicum ssp. guineense | Malvaceae | |
| Abutilon hannii | Abutilon andrewsianum | Malvaceae | |
| Abutilon oxycarpum v. oxycarpum | Abutilon oxycarpum f. acutatum | Malvaceae | |
| Acacia abbatiana | Acacia sp. Mt. Abbot | Mimosaceae | |
| Acacia arbiana | Acacia sp. Ropers Peak | Mimosaceae | |
| Acacia argentina | Acacia sp. Gwambagwine | Mimosaceae | |
| Acacia argyrotricha | Acacia sp. Inglewood | Mimosaceae | |
| Acacia aulacocarpa | Acacia aulacocarpa v. fruticosa | Mimosaceae | |
| Acacia burdekensis | Acacia sp. Torrens Creek | Mimosaceae | |
| Acacia burrana | Acacia sp. Burra Range | Mimosaceae | |
| Acacia calligera | Acacia wickhamii ssp. Gregory Downs | Mimosaceae | |
| Acacia calligera | Acacia wickhamii ssp. parviphyllodinea | Mimosaceae | |
| Acacia calligera | Racosperma calligerum | Mimosaceae | |
| Acacia celsa | Acacia sp. Ella Bay | Mimosaceae | |
| Acacia clarksoniana | Acacia sp. New Dixie | Mimosaceae | |
| Acacia conferta | Acacia tindaliae | Mimosaceae | |
| Acacia conferta | Racosperma tindaliae | Mimosaceae | |
| Acacia disparrima | Acacia sp. Maryborough | Mimosaceae | |
| Acacia disparrima ssp. calidestris | Acacia sp. Maryborough ssp. Townsville | Mimosaceae | |
| Acacia disparrima ssp. disparrima | Acacia aulacocarpa v. aulacocarpa (in part) | Mimosaceae | |
| Acacia fodinalis | Acacia sp. Norwich Park | Mimosaceae | |
| Acacia hendersonii | Acacia sp. Blackdown Tableland | Mimosaceae | |
| Acacia johannis | Acacia sp. Mt. Mulligan | Mimosaceae | |
| Acacia juncifolia | Acacia juncifolia ssp. juncifolia | Mimosaceae | |
| Acacia ligulata v. ligulata | Acacia ligulata (in Qld.) | Mimosaceae | |
| Acacia lumholtzii | Acacia sp. Mt. Leach Range | Mimosaceae | |
| Acacia microcybe | Acacia microcephala | Mimosaceae | |
| Acacia microcybe | Racosperma microcephalum | Mimosaceae | |
| Acacia midgleyi | Acacia sp. Wenlock River | Mimosaceae | |
| Acacia pallidifolia | Acacia pallidifolia (new record for Qld.) | Mimosaceae | |
| Acacia papyrocarpa | Acacia sp. Boongeena Creek | Mimosaceae | |
| Acacia papyrocarpa | Acacia sp. Q70 (aff. papyrocarpa) | Mimosaceae | |
| Acacia plectocarpa ssp. tanumbirinensis | Acacia tanumbirinensis | Mimosaceae | |
| Acacia rubicaulis | Acacia sp. Harmer Creek | Mimosaceae | |
| Acacia solenota | Acacia sp. McIvor River | Mimosaceae | |
| Acacia stipuligera ssp. glabrifolia | Acacia stipuligera v. glabrifolia | Mimosaceae | |
| Acacia victoriae ssp. arida | Acacia victoriae (in part) | Mimosaceae | |
| Acacia victoriae ssp. victoriae | Acacia victoriae (in part) | Mimosaceae | |
| Acaciella glauca | Acacia curassavica | Mimosaceae | |
| Acaciella glauca | Acaciella curassavica | Mimosaceae | |
| Acalypha lyonsii | Acalypha sp. Cairns | Euphorbiaceae | |
| Acmena ingens | Acmena brachyandra | Myrtaceae | |
| Acmena ingens | Eugenia brachyandra | Myrtaceae | |
| Acmena mackinnoniana | Acmena sp. Rocky River | Myrtaceae | |
| Acomis bella | Acomis sp. Alice River | Asteraceae | |
| Acriopsis emarginata | Acriopsis javanica (auct.non Roxb.) | Orchidaceae | |
| Acriopsis emarginata | Acriopsis liliifolia | Orchidaceae | |
| Acronychia octandra | Melicope octandra | Rutaceae | |
| Acrothamnus spathaceus | Leucopogon spathaceus | Epacridaceae | Ericaceae |
| Acrotriche spp. | Acrotriche spp. | Epacridaceae | Ericaceae |
| Actephila bella | Actephila sp. Granite Creek | Euphorbiaceae | Phyllanthaceae |
| Actephila championiae | Actephila sp. Koumala | Euphorbiaceae | Phyllanthaceae |
| Actephila longipedicellata | Actephila sp. Claudie River | Euphorbiaceae | Phyllanthaceae |
| Actephila spp. | Actephila spp. | Euphorbiaceae | Phyllanthaceae |
| Actephila traceyi | Actephila sp. Rocky River | Euphorbiaceae | Phyllanthaceae |
| Actephila venusta | Actephila sp. Elcho Island | Euphorbiaceae | Phyllanthaceae |
| Actephila venusta | Actephila sp. Possum Scrub | Euphorbiaceae | Phyllanthaceae |
| Actephila vernicosa | Actephila sp. Millaa Millaa | Euphorbiaceae | Phyllanthaceae |
| Actephila vernicosa | Actephila sp. Wooroonooran NP | Euphorbiaceae | Phyllanthaceae |
| Adelopetalum argyropus | Thelychiton argyropus | Orchidaceae | |
| Adiantum atroviride | Adiantum aethiopicum f. queenslandiae | Adiantaceae | |
| Adiantum atroviride | Adiantum aethiopicum f. variegatum | Adiantaceae | |
| Adiantum atroviride | Adiantum aethiopicum v. nodosum | Adiantaceae | |
| Adiantum diaphanum | Adiantum setulosum | Adiantaceae | |
| Adiantum diaphanum | Adiantum tenue v. commutatum | Adiantaceae | |
| Adiantum hispidulum v. minus | Adiantum hispidulum v. Paradise Creek | Adiantaceae | |
| Adriana tomentosa | Croton urticoides (auct. non A.Cunn.) | Euphorbiaceae | |
| Adriana tomentosa var. hookeri | Croton urticoides var. hookeri | Euphorbiaceae | |
| Adriana urticoides | Adriana tomentosa | Euphorbiaceae | |
| Adriana urticoides | Croton urticoides | Euphorbiaceae | |
| Adriana urticoides v. hookeri | Adriana hookeri | Euphorbiaceae | |
| Adriana urticoides v. hookeri | Adriana tomentosa v. hookeri | Euphorbiaceae | |
| Adriana urticoides v. urticoides | Adriana glabrata | Euphorbiaceae | |
| Adriana urticoides v. urticoides | Adriana glabrata v. acerifolia | Euphorbiaceae | |
| Adriana urticoides v. urticoides | Adriana glabrata v. glabrata | Euphorbiaceae | |
| Adriana urticoides v. urticoides | Adriana glabrata v. subglabra | Euphorbiaceae | |
| Adriana urticoides v. urticoides | Adriana tomentosa v. tomentosa | Euphorbiaceae | |
| Agiortia cicatricata | Leucopogon cicatricatus | Epacridaceae | Ericaceae |
| Agiortia pedicellata | Leucopogon pedicellatus | Epacridaceae | Ericaceae |
| Agiortia pedicellata | Lissanthe pedicellata | Epacridaceae | Ericaceae |
| Agiortia pleiosperma | Leucopogon pleiospermus | Epacridaceae | Ericaceae |
| Agiortia pleiosperma | Styphelia pleiosperma | Epacridaceae | Ericaceae |
| Aglaia australiensis | Aglaia sp. Q7. | Meliaceae | |
| Aglaia brownii | Aglaia sapindina (cent. & sth. Qld.) | Meliaceae | |
| Aglaia brownii | Aglaia sp. Q6. / aff. elaeagnoidea | Meliaceae | |
| Aglaia cooperae | Aglaia sp. Silver Plains | Meliaceae | |
| Aglaia ferruginea | Aglaia tomentosa | Meliaceae | |
| Aglaia meridionalis | Amoora ferruginea | Meliaceae | |
| Aglaia spectabilis | Amoora cucullata | Meliaceae | |
| Aglaia tomentosa | Aglaia ferruginea | Meliaceae | |
| Agrostis bettyae | Agrostis sp. Q1 (aff. hiemalis) | Poaceae | |
| Agrostis bettyae | Agrostis sp. Wyberba | Poaceae | |
| Aidia cowleyi | Aidia sp. Cowley Beach | Rubiaceae | |
| Aidia cowleyi | Aidia sp. Gap Creek | Rubiaceae | |
| Akania bidwillii | Akania lucens | Akaniaceae | |
| Alangium spp. | Alangium spp. | Alangiaceae | Cornaceae |
| Alectryon diversifolius | Heterodendrum diversifolium | Sapindaceae | |
| Alectryon oleifolius | Heterodendrum oleifolium | Sapindaceae | |
| Alectryon pubescens | Heterodendrum pubescens | Sapindaceae | |
| Alectryon reticulatus | Alectryon unilobatus | Sapindaceae | |
| Alectryon tropicus | Heterodendrum tropicum | Sapindaceae | |
| Aleurites rockinghamensis | Aleurites moluccana v. rockinghamensis | Euphorbiaceae | |
| Allocasuarina inophloia | Casuarina inophloia | Casuarinaceae | |
| Allocasuarina littoralis | Casuarina littoralis | Casuarinaceae | |
| Allocasuarina luehmannii | Casuarina luehmannii | Casuarinaceae | |
| Allocasuarina rigida | Casuarina rigida | Casuarinaceae | |
| Allocasuarina torulosa | Casuarina torulosa | Casuarinaceae | |
| Alloxylon flammeum | Oreocallis wickhamii (incorrectly named) | Proteaceae | |
| Alloxylon pinnatum | Oreocallis pinnata | Proteaceae | |
| Alloxylon wickhamii | Oreocallis sp. (incorrectly named) | Proteaceae | |
| Alocasia brisbanensis | Alocasia macrorrhizos | Araceae | |
| Alphitonia oblata | Alphitonia incana (auct. non (Roxb.) Kurz) | Rhamnaceae | |
| Alphitonia pomaderroides | Alphitonia obtusifolia | Rhamnaceae | |
| Alphitonia pomaderroides | Ziziphus pomaderroides | Rhamnaceae | |
| Alstroemeria psittacina | Alstroemeria pulchella (auct.non L.f) | Alstroemeriaceae | |
| Alternanthera brasiliana* | Alternanthera dentata* | Amaranthaceae | |
| Aluta maisonneuvei | Thryptomene maisonneuvei | Myrtaceae | |
| Alysicarpus aurantiacus | Alysicarpus sp. Townsville | Fabaceae | |
| Alyxia ilicifolia ssp. ilicifolia | Alyxia ilicifolia (new subsp.) | Apocynaceae | |
| Alyxia ilicifolia ssp. magnifolia | Alyxia magnifolia | Apocynaceae | |
| Alyxia ruscifolia ssp. major | Alyxia oblongata | Apocynaceae | |
| Alyxia ruscifolia ssp. ruscifolia | Alyxia ruscifolia v. pugioniformis | Apocynaceae | |
| Alyxia spicata | Alyxia obtusifolia | Apocynaceae | |
| Amaranthus centralis | Amaranthus sp. Cloncurry | Amaranthaceae | |
| Amaranthus rhombeus | Amaranthus rhombeus (newly recorded for Qld.) | Amaranthaceae | |
| Amaranthus undulatus | Amaranthus pallidiflorus | Amaranthaceae | |
| Ammannia triflora | Ammannia pubiflora (illegitimate name) | Lythraceae | |
| Amperea xiphoclada v. xiphoclada | Amperea xiphoclada (in Qld.) | Euphorbiaceae | |
| Amphipogon sericeus | Amphipogon caricinus v. sericeus | Poaceae | |
| Amphipogon strictus | Amphipogon strictus v. breviseta | Poaceae | |
| Amphipogon strictus | Amphipogon strictus v. hirsutus | Poaceae | |
| Amphipogon strictus | Amphipogon strictus v. setifer | Poaceae | |
| Amphipogon strictus | Amphipogon strictus v. strictus | Poaceae | |
| Amyema plicatum | Amyema cephalantherum | Loranthaceae | |
| Amyema plicatum | Amyema duurenii | Loranthaceae | |
| Anemocarpa podolepidium | Chrysocephalum podolepidium | Asteraceae | |
| Anemocarpa podolepidium | Helichrysum podolepidium | Asteraceae | |
| Anemocarpa saxatile | Helipterum saxatile | Asteraceae | |
| Angophora leiocarpa | Angophora costata (sth & cent. Qld.) | Myrtaceae | |
| Anopterus macleayanus | Anopterus macleayanus | Grossulariaceae | Escalloniaceae |
| Antidesma spp. | Antidesma spp. | Euphorbiaceae | Phyllanthaceae |
| Antirhea putaminosa | Guettardella putaminosa | Rubiaceae | |
| Antirhea tenuiflora | Guettardella tenuiflora | Rubiaceae | |
| Antrophyum austroqueenslandicum | Antrophyum sp. Blue Pool | Vittariaceae | |
| Antrophyum callifolium | Antrophyum reticulatum | Vittariaceae | |
| Antrophyum jagoanum | Antrophyum sp. Pugh Creek | Vittariaceae | |
| Aphanopetalum resinosum | Aphanopetalum resinosum | Cunoniaceae | Aphanopetalaceae |
| Aphyllodium latifolium | Aphyllodium sp. Edward River | Fabaceae | |
| Aphyllodium schindleri | Aphyllodium novoguineense | Fabaceae | |
| Aphyllodium schindleri | Aphyllodium sp. Lockerbie | Fabaceae | |
| Archidendron grandiflorum | Pithecellobium grandiflorum | Mimosaceae | |
| Archidendron hendersonii | Pithecellobium hendersonii | Mimosaceae | |
| Archidendron kanisii | Archidendron sp. Cooper Creek | Mimosaceae | |
| Archidendron lovelliae | Pithecellobium lovelliae | Mimosaceae | |
| Archidendron lucyi | Pithecellobium lucyi | Mimosaceae | |
| Archidendron muellerianum | Pithecellobium muellerianum | Mimosaceae | |
| Archirhodomyrtus beckleri | Rhodomyrtus beckleri | Myrtaceae | |
| Archontophoenix maxima | Archontophoenix sp. Walsh River | Arecaceae | |
| Archontophoenix myolensis | Archontophoenix sp. Myola | Arecaceae | |
| Archontophoenix purpurea | Archontophoenix sp. Mt. Lewis | Arecaceae | |
| Archontophoenix tuckeri | Archontophoenix sp. Rocky River | Arecaceae | |
| Ardisia depauperata | Ardisia sp. South Mary | Myrsinaceae | |
| Ardisia depauperata | Ardisia brevipedata var. depauperata | Myrsinaceae | |
| Ardisia elliptica* | Ardisia solanacea* (auct.non Roxb.) | Myrsinaceae | |
| Argophyllum spp. | Argophyllum spp. | Grossulariaceae | Argophyllaceae |
| Argyrodendron sp. Kin Kin | Argyrodendron sp. aff. trifoliolatum | Sterculiaceae | |
| Aristea ecklonii* | Aristea paniculata* | Iridaceae | |
| Aristida forsteri | Aristida sp. Q3 (aff. muricate) | Poaceae | |
| Aristida forsteri | Aristida sp. Wondul Range | Poaceae | |
| Aristida macroclada v. queenslandica | Aristida macroclada ssp. queenslandica | Poaceae | |
| Aristida thompsonii | Aristida sp. Myola | Poaceae | |
| Aristolochia acuminata | Aristolochia tagala | Aristolochiaceae | |
| Aristolochia meridionalis | Aristolochia sp. Mt. Coot-tha & D'Aguilar Range | Aristolochiaceae | |
| Aristolochia meridionalis ssp. centralis | Aristolochia sp. D'Aguilar Ra. ssp. Rockhampton | Aristolochiaceae | |
| Aristolochia pubera v. aromatica | Aristolochia pubera v. Mt. Mulligan | Aristolochiaceae | |
| Artabotrys carnosipetalus | Artabotrys sp. Claudie River | Annonaceae | |
| Arthrochilus lavarackiana | Phoringopsis lavarackiana | Orchidaceae | |
| Arthropodium spp. | Arthropodium spp. | Anthericaceae | Laxmanniaceae |
| Arundo donax* | Arundo donax v. donax* | Poaceae | |
| Asparagus racemosus | Protasparagus racemosus | Liliaceae | Asparagaceae |
| Asparagus spp. | Asparagus spp. | Liliaceae | Asparagaceae |
| Asperula conferta | Asperula conferta var. scorparioides | Rubiaceae | |
| Asperula gemella | Asperula gemella (newly recorded for Qld.) | Rubiaceae | |
| Asplenium athertonense | Asplenium sp. Atherton Tableland | Aspleniaceae | |
| Asplenium athertonense x A. 'unknown' | Asplenium lewisense | Aspleniaceae | |
| Asplenium attenuatum x A. polyodon | Asplenium attenuatum v. schneideri | Aspleniaceae | |
| Asplenium bulbiferum ssp. gracillimum | Asplenium gracillimum | Aspleniaceae | |
| Asplenium laserpitiifolium | Asplenium cuneatum v. orarium | Aspleniaceae | |
| Asplenium laserpitiifolium | Asplenium macilwraithense | Aspleniaceae | |
| Asplenium laserpitiifolium | Asplenium sp. McIlwraith Range | Aspleniaceae | |
| Asplenium tenerum | Asplenium tenerumoides | Aspleniaceae | |
| Asteromyrtus angustifolia | Melaleuca angustifolia | Myrtaceae | |
| Asteromyrtus brassii | Melaleuca brassii | Myrtaceae | |
| Asteromyrtus lysicephala | Sinoga lysicephala | Myrtaceae | |
| Asteromyrtus symphyocarpa | Melaleuca symphyocarpa | Myrtaceae | |
| Astrotricha brachyandra | Astrotricha sp. Kroombit | Araliaceae | |
| Astrotricha latifolia | Astrotricha floccosa | Araliaceae | |
| Astrotricha pauciflora | Astrotricha sp. aff. biddulphiana | Araliaceae | |
| Astrotricha umbrosa | Astrotricha sp. Pomona | Araliaceae | |
| Atriplex vesicaria ssp. variabilis | Atriplex vesicaria (new subsp.) | Chenopodiaceae | |
| Auranticarpa edentata | Gen. sp. Forty Mile Scrub | Pittosporaceae | |
| Auranticarpa edentata | Pittosporum sp. Forty Mile Scrub | Pittosporaceae | |
| Auranticarpa ilicifolia | Gen. sp. Cockatoo Creek | Pittosporaceae | |
| Auranticarpa ilicifolia | Pittosporum sp. Cockatoo Creek | Pittosporaceae | |
| Auranticarpa melanosperma | Pittosporum melanospermum | Pittosporaceae | |
| Auranticarpa melanosperma | Pittosporum muticum | Pittosporaceae | |
| Auranticarpa melanosperma | Pittosporum setigerum | Pittosporaceae | |
| Auranticarpa papyracea | Pittosporum sp. Thornton Range | Pittosporaceae | |
| Auranticarpa rhombifolia | Pittosporum rhombifolium | Pittosporaceae | |
| Australina pusilla ssp muelleri | Australina muelleri (in Qld.) | Urticaceae | |
| Austrobryonia argillicola | Mukia sp. Longreach | Cucurbitaceae | |
| Austrobryonia micrantha | Cucurbita micrantha | Cucurbitaceae | |
| Austrobryonia micrantha | Mukia micrantha | Cucurbitaceae | |
| Austrobuxus megacarpus | Austrobuxus nitidus | Euphorbiaceae | Picrodendraceae |
| Austrobuxus swainii | Austrobuxus swainii. | Euphorbiaceae | Picrodendraceae |
| Austrocylindropuntia cylindrica* | Opuntia cylindrica* | Cactaceae | |
| Austrodanthonia bipartita | Avena bipartita | Poaceae | |
| Austrodanthonia bipartita | Notodanthonia bipartita | Poaceae | |
| Austrodanthonia bipartita | Notodanthonia linkii | Poaceae | |
| Austrodanthonia bipartita | Rytidosperma linkii | Poaceae | |
| Austrodanthonia induta | Notodanthonia induta | Poaceae | |
| Austrodanthonia induta | Rytidosperma indutum | Poaceae | |
| Austrodanthonia racemosa | Rytidosperma racemosum | Poaceae | |
| Austrodanthonia tenuior | Notodanthonia tenuior | Poaceae | |
| Austrodanthonia tenuior | Rytidosperma tenuius | Poaceae | |
| Austrolycopodium fastigiatum | Lycopodium fastigiatum | Lycopodiaceae | |
| Austromuellera valida | Austromuellera sp. Mt. Lewis | Proteaceae | |
| Austromyrtus glabra | Austromyrtus sp. Cooloolabin | Myrtaceae | |
| Austrosteenisia blackii | Kunstleria blackii | Fabaceae | |
| Austrosteenisia blackii | Lonchocarpus blackii | Fabaceae | |
| Austrosteenisia blackii v. astipella | Austrosteenisia blackii v. Yungaburra | Fabaceae | |
| Austrosteenisia mollitricha | Austrosteenisia sp. Goanna Creek | Fabaceae | |
| Austrostipa ramosissima | Stipa ramosissima | Poaceae | |
| Austrostipa verticillata | Stipa verticillata | Poaceae | |
| Avena ludoviciana | Avena sterilis ssp. ludoviciana | Poaceae | |
| Avicennia marina ssp. australasica | Avicennia tomentosa v. australasica | Verbenaceae | Avicenniaceae |
| Avicennia marina ssp. eucalyptifolia | Avicennia marina v. eucalyptifolia | Verbenaceae | Avicenniaceae |
| Avicennia marina ssp. eucalyptifolia | Avicennia officinalis v. eucalyptifolia | Verbenaceae | Avicenniaceae |
| Avicennia spp. | Avicennia spp. | Verbenaceae | Avicenniaceae |
| B | TOP | ||
| Babingtonia virgata - not considered to occur in Australia | Baeckea virgata | Myrtaceae | |
| Backhousia kingii | Backhousia sp. aff. sciadophora | Myrtaceae | |
| Backhousia oligantha | Backhousia sp. Didcot | Myrtaceae | |
| Backhousia oligantha | Backhousia sp. Stony Creek | Myrtaceae | |
| Baeckea frutescens (included in) | Baeckea stenophylla | Myrtaceae | |
| Baeckea omissa | Baeckea sp. 1 in Stanley & Ross | Myrtaceae | |
| Baeckea omissa | Baeckea sp. Racecourse Creek | Myrtaceae | |
| Baeckea trapeza | Baeckea sp. Blackdown Tableland | Myrtaceae | |
| Baloghia inophylla | Baloghia lucida | Euphorbiaceae | |
| Baloskion pallens | Restio pallens | Restionaceae | |
| Baloskion stenocoleum | Restio stenocoleus | Restionaceae | |
| Baloskion tenuiculme | Restio tenuiculmis | Restionaceae | |
| Baloskion tetraphyllum | Restio tetraphyllus | Restionaceae | |
| Baloskion tetraphyllum ssp. meiostachyus | Restio tetraphyllus ssp. meiostachyus | Restionaceae | |
| Banksia aquilonia | Banksia integrifolia v. aquilonia | Proteaceae | |
| Banksia conferta | Banksia conferta ssp. conferta | Proteaceae | |
| Banksia conferta ssp. conferta | Banksia conferta v. conferta | Proteaceae | |
| Bartramia robusta | Bartramia ithyphylla (auct.non Brid.) | Bartramiaceae | |
| Baumea planifolia | Cladium teretifolium v. asperrimum | Cyperaceae | |
| Baumea planifolia | Cladium tetraquetrum v. planifolium | Cyperaceae | |
| Beilschmiedia castrisinensis | Beilschmiedia sp. China Camp | Lauraceae | |
| Beilschmiedia peninsularis | Beilschmiedia sp. McIlwraith Range | Lauraceae | |
| Beilschmiedia tooram | Endiandra tooram | Lauraceae | |
| Beilschmiedia volckii | Beilschmiedia sp. Boonjee | Lauraceae | |
| Berberidopsis beckleri | Berberidopsis beckleri | Flacourtiaceae | Berberidopsidaceae |
| Bergera koenigii* | Murraya koenigii* | Rutaceae | |
| Bergia henshallii | Bergia henshallii (new record for Qld.) | Elatinaceae | |
| Berrya spp. | Berrya spp. | Tiliaceae | Brownlowiaceae |
| Bertya calycina | Bertya sp. Q9 (Winneba) | Euphorbiaceae | |
| Bertya calycina | Bertya sp. Winneba | Euphorbiaceae | |
| Bertya ernestiana | Bertya sp. Mt. Ernest | Euphorbiaceae | |
| Bertya ernestiana | Bertya sp. Q12 (ernestiana) | Euphorbiaceae | |
| Bertya granitica | Bertya sp. Beeron Holding | Euphorbiaceae | |
| Bertya granitica | Bertya sp. Q11 (Beeron) | Euphorbiaceae | |
| Bertya lapicola ssp. brevifolia | Bertya sp. Oakey Creek | Euphorbiaceae | |
| Bertya lapicola ssp. brevifolia | Bertya sp. Q5 (aff. pinifolia) | Euphorbiaceae | |
| Bertya lapicola ssp. brevifolia | Bertya sp. Q6 (Helidon Hills) | Euphorbiaceae | |
| Bertya lapicola ssp. lapicola | Bertya sp. Helidon Hills | Euphorbiaceae | |
| Beyeria viscosa | Beyeria viscosa var. obovata | Euphorbiaceae | |
| Beyeria viscosa | Beyeria viscosa var. viscosa | Euphorbiaceae | |
| Billardiera scandens | Billardiera angustifolia | Pittosporaceae | |
| Billardiera scandens | Billardiera scandens v. scandens | Pittosporaceae | |
| Billardiera scandens | Billardiera scandens v. sericata | Pittosporaceae | |
| Bischofia javanica | Bischofia javanica | Euphorbiaceae | Phyllanthaceae |
| Blandfordia spp. | Blandfordia spp. | Liliaceae | Blandfordiaceae |
| Bleasdalea bleasdalei | Gevuina bleasdalei | Proteaceae | |
| Boea kinnearii | Didymocarpus kinnearii | Gesneriaceae | |
| Boea kinnearii | Roettlera kinnearii | Gesneriaceae | |
| Boronia beeronensis | Boronia splendida (misidentified) | Rutaceae | |
| Boronia bella | Boronia sp. Many Peaks Range / sp. Telford | Rutaceae | |
| Boronia bipinnata | Boronia sp. Nathan Gorge | Rutaceae | |
| Boronia bipinnata | Boronia sp. Q1 / aff. bipinnata | Rutaceae | |
| Boronia duiganiae | Boronia sp. Carnarvon Range | Rutaceae | |
| Boronia excelsa | Boronia sp. Mt. Windsor Tableland | Rutaceae | |
| Boronia foetida | Boronia sp. Mt. Walsh | Rutaceae | |
| Boronia forsteri | Boronia sp. Robinson Gorge | Rutaceae | |
| Boronia grimshawii | Boronia sp. Aranbanga Creek | Rutaceae | |
| Boronia hoipolloi | Boronia sp. aff. alulata | Rutaceae | |
| Boronia inflexa | Boronia bipinnata (misidentified) | Rutaceae | |
| Boronia jensziae | Boronia sp. Hinchinbrook Island | Rutaceae | |
| Boronia odorata | Boronia sp. Expedition Range | Rutaceae | |
| Boronia palasepala | Boronia sp. Coominglah | Rutaceae | |
| Boronia quinkanensis | Boronia sp. Jedda Creek | Rutaceae | |
| Boronia quinkanensis | Boronia sp. Mt. Mulligan | Rutaceae | |
| Boronia splendida | Boronia sp. Kogan | Rutaceae | |
| Boronia squamipetala | Boronia sp. aff. bowmanii | Rutaceae | |
| Boronia squamipetala | Boronia sp. Massy Creek / sp. McIlwraith Range | Rutaceae | |
| Boronia warangensis | Boronia sp. Q8 / Warang | Rutaceae | |
| Boronia yarrowmerensis | Boronia sp. Q5 /Yarrowmere | Rutaceae | |
| Borya inopinata | Borya sp. aff. jabirabela | Anthericaceae | Boryaceae |
| Borya inopinata | Borya sp. Mt. Stewart Range | Anthericaceae | Boryaceae |
| Borya spp. | Borya spp. | Anthericaceae | Boryaceae |
| Bosistoa brassii | Bosistoa brassii v. brassii | Rutaceae | |
| Bossiaea arenicola | Bossiaea sp. McIvor River | Fabaceae | |
| Bowenia spectabilis | Bowenia sp. Mt. Haig | Zamiaceae | |
| Brachiaria atrisola | Urochloa atrisola | Poaceae | |
| Brachiaria holosericea ssp. velutina | Urochloa holosericea ssp. velutina | Poaceae | |
| Brachychiton collinus | Brachychiton sp. N-W. Qld & N-E N.T. | Sterculiaceae | |
| Brachychiton compactus | Brachychiton sp. aff. rupestris | Sterculiaceae | |
| Brachychiton garrawayae | Brachychiton sp. Qld. (tropical open forests & dry scrubs) | Sterculiaceae | |
| Brachychiton garrawayae | Sterculia garrawayae | Sterculiaceae | |
| Brachychiton grandiflorus | Brachychiton sp. Cape York (vine thickets) | Sterculiaceae | |
| Brachychiton vitifolius | Brachychiton sp. Cape York (open forests & woodlands) | Sterculiaceae | |
| Brachychiton vitifolius | Sterculia vitifolia | Sterculiaceae | |
| Brachyloma daphnoides ssp. daphnoides | Brachyloma daphnoides (new subsp.) | Epacridaceae | Ericaceae |
| Brachyloma daphnoides ssp. glabrum | Brachyloma daphnoides v. glabrum | Epacridaceae | Ericaceae |
| Brachyscome dentata | Brachyscome heterodonta | Asteraceae | |
| Brachystelma glabriflorum | Brachystelma microstemma | Asclepiadaceae | Apocynaceae |
| Brassica rapa ssp. campestris | Brassica rapa v. sylvestris | Brassicaceae | |
| Breynia spp. | Breynia spp. | Euphorbiaceae | Phyllanthaceae |
| Bridelia finalis | Bridelia sp. Stone Crossing & Q1 | Euphorbiaceae | Phyllanthaceae |
| Bridelia spp. | Bridelia spp | Euphorbiaceae | Phyllanthaceae |
| Bromus hordeaceus | Bromus _ pseudothominii | Poaceae | |
| Bromus hordeaceus | Bromus hordeaceus ssp. hordaceus | Poaceae | |
| Brownlowia argentea | Brownlowia argentea | Tiliaceae | Brownlowiaceae |
| Brunonia australis | Brunonia australis | Brunoniaceae | Goodeniaceae |
| Bryophyllum x houghtonii | Bryophyllum daigremontianum x delagoense | Crassulaceae | |
| Bryophyllum x houghtonii | Kalanchoe x houghtonii | Crassulaceae | |
| Bulbine spp. | Bulbine spp. | Liliaceae | Asphodelaceae |
| Bulbophyllum boonjee | Bulbophyllum sp. aff. lageniforme | Orchidaceae | |
| Bulbophyllum clavigerum | Bulbophyllum longiflorum (auct.non Thouars) | Orchidaceae | |
| Bulbophyllum clavigerum | Cirrhopetalum clavigerum | Orchidaceae | |
| Bulbophyllum elisae | Cirrhopetalum elisae | Orchidaceae | |
| Bulbophyllum gracillimum | Bulbophyllum leratii | Orchidaceae | |
| Bulbophyllum minutissimum | Dendrobium minutissimum | Orchidaceae | |
| Bulbophyllum newportii | Bulbophyllum wanjurum | Orchidaceae | |
| Bulbophyllum newportii | Sarcochilus newportii | Orchidaceae | |
| Bulbophyllum schillerianum | Oxysepala schilleriana ssp. maritima | Orchidaceae | |
| Bulbophyllum schillerianum | Oxysepala schilleriana ssp. schilleriana | Orchidaceae | |
| Bulbophyllum shepherdii | Bulbophyllum intermedium | Orchidaceae | |
| Bulbophyllum shepherdii | Oxysepala shepherdii | Orchidaceae | |
| Bulbophyllum wilkianum | Bulbophyllum exiguum v. dallachyi | Orchidaceae | |
| Burchardia umbellata | Burchardia umbellata | Liliaceae | Colchicaceae |
| Butomopsis latifolia | Butomopsis latifolia | Alismataceae | Limnocharitaceae |
| Byblis liniflora ssp. liniflora | Byblis liniflora (in Qld.) | Byblidaceae | |
| C | TOP | ||
| Caesalpinia nitens | Pterolobium nitens | Caesalpiniaceae | |
| Caesia spp. | Caesia spp. | Anthericaceae | Johnsoniaceae |
| Caladenia flaccida | Jonesiopsis flaccida | Orchidaceae | |
| Calanthe australasica | Calanthe triplicata (auct.non (Willemet) Ames) | Orchidaceae | |
| Calanthe australasica | Calanthe veratrifolia (auct.non Ker Gawl.) | Orchidaceae | |
| Calanthe australasica | Calanthe veratrifolia v. australis | Orchidaceae | |
| Calanthe australasica | Calanthe veratrifolia v. kennyi | Orchidaceae | |
| Callerya australis | Millettia australis | Fabaceae | |
| Callerya megasperma | Millettia megasperma | Fabaceae | |
| Callerya pilipes | Millettia pilipes | Fabaceae | |
| Calochilus therophilus | Calochilus gracillimus | Orchidaceae | |
| Calochlaena dubia | Culcita dubia | Dicksoniaceae | |
| Calytrix islensis | Calytrix sp. Isla Gorge | Myrtaceae | |
| Canavalia rosea | Canavalia maritima | Fabaceae | |
| Capparis batianoffii | Capparis sp. Gloucester Island | Capparaceae | |
| Capparis nummularia | Capparis spinosa v. nummularia | Capparaceae | |
| Capparis velutina | Capparis sp. Bulburin | Capparaceae | |
| Carex inversa | Carex rhytidocarpa | Cyperaceae | |
| Carnarvonia araliifolia v. montana | Carnarvonia sp. Davies Creek | Proteaceae | |
| Carnarvonia araliifolia v. montana | Carnarvonia sp. Mt. Haig | Proteaceae | |
| Caryota albertii | Caryota rumphiana | Arecaceae | |
| Cassia brewsteri | Cassia brewsteri v. brewsteri | Caesalpiniaceae | |
| Cassia marksiana | Cassia brewsteri v. marksiana | Caesalpiniaceae | |
| Cassia tomentella | Cassia brewsteri v. tomentella | Caesalpiniaceae | |
| Cassinia straminea | Cassinia compacta (auct. non F. Muell.: Everett in Harden 1992) | Asteraceae | |
| Cassinia straminea | Cassinia longifolia (auct. non R.Br.: F.M.Bailey) | Asteraceae | |
| Cassinia straminea | Cassinia longifolia v. straminea | Asteraceae | |
| Cassinia telfordii | Cassinia compacta (auct. non F. Muell.: Everett) | Asteraceae | |
| Catalepidia heyana | Helicia heyana | Proteaceae | |
| Centipeda borealis | Centipeda sp. Baratta Creek | Asteraceae | |
| Centipeda minima ssp. macrocephala | Centipeda minima ssp. Karumba | Asteraceae | |
| Centipeda minima ssp. minima | Centipeda minima v. lanuginosa | Asteraceae | |
| Centipeda minima ssp. minima | Centipeda minima v. minima | Asteraceae | |
| Centipeda minima ssp. minima | Centipeda orbicularis v. lanuginosa | Asteraceae | |
| Centipeda minima ssp. minima | Myriogyne minuta v. lanuginosa | Asteraceae | |
| Centipeda nidiformis | Centipeda sp. Isisford | Asteraceae | |
| Centipeda pleiocephala | Centipeda sp. Wongamee | Asteraceae | |
| Centrantherum australianum | Centrantherum punctatum ssp. australianum | Asteraceae | |
| Centrantherum riparium | Centaurea riparia | Asteraceae | |
| Centrantherum riparium | Centrantherum australianum | Asteraceae | |
| Centrantherum riparium | Centrantherum punctatum ssp. australianum | Asteraceae | |
| Centrosema plumeri* | Centrosema plumeri* (newly naturalised in Qld.) | Fabaceae | |
| Ceratopetalum hylandii | Ceratopetalum sp. Mt. Spurgeon | Cunoniaceae | |
| Chamaecrista concinna | Cassia concinna | ||
| Chamaecrista concinna | Cassia pumila | Caesalpiniaceae | |
| Chamaesyce bifida | Chamaesyce vachellii | Euphorbiaceae | |
| Chamaesyce obliqua | Chamaesyce obliqua (newly recorded for Qld.) | Euphorbiaceae | |
| Chamaesyce serpens* | Chamaesyce serpens* (newly naturalised in Qld.) | Euphorbiaceae | |
| Chamaesyce thymifolia | Chamaesyce maculata (in part) | Euphorbiaceae | |
| Cheilanthes nudiuscula | Cheilanthes hirsuta | Adiantaceae | |
| Cheilanthes nudiuscula | Cheilanthes tenuifolia ssp. nudiuscula | Adiantaceae | |
| Cheilanthes nudiuscula | Pteris hirsuta | Adiantaceae | |
| Cheilanthes tenuifolia | Cheilanthes shirleyana | Adiantaceae | |
| Cheilanthes tenuifolia | Cheilanthes tenuifolia ssp. shirleyana | Adiantaceae | |
| Cheiranthera borealis | Cheiranthera cyanea v. borealis | Pittosporaceae | |
| Chloanthes parviflora | Chloanthes parviflora | Verbenaceae | Lamiaceae |
| Chloris divaricata v. cynodontoides | Chloris divaricata (new subsp.) | Poaceae | |
| Chloris divaricata v. cynodontoides | Cynodon divaricata v. cynodontoides | Poaceae | |
| Chloris divaricata v. divaricata | Chloris divaricata (new subsp.) | Poaceae | |
| Chlorophytum laxum | Chlorophytum laxum | Liliaceae | Anthericaceae |
| Chordifex fastigiatus | Restio fastigiatus | Restionaceae | |
| Chordifex fastigiatus | Saropsis fastigiata | Restionaceae | |
| Choriceras spp. | Choriceras spp. | Euphorbiaceae | Picrodendraceae |
| Chrysocephalum apiculatum | Helichrysum apiculatum | Asteraceae | |
| Chrysocephalum apiculatum | Helichrysum ramosissimum | Asteraceae | |
| Chrysocephalum apiculatum | Helichrysum semiamplexicaule | Asteraceae | |
| Chrysocephalum eremaeum | Helichrysum eremaeum | Asteraceae | |
| Chrysocephalum pterochaetum | Helipterum pterochaetum | Asteraceae | |
| Chrysopogon elongatus | Rhaphis elongatus | Poaceae | |
| Chrysopogon elongatus | Vetiveria elongata | Poaceae | |
| Chrysopogon filipes | Chrysopogon filipes v. arundinaceus | Poaceae | |
| Chrysopogon filipes | Vetiveria filipes | Poaceae | |
| Chrysopogon filipes | Vetiveria intermedia | Poaceae | |
| Chrysopogon oliganthus | Vetiveria pauciflora | Poaceae | |
| Chrysopogon rigidus | Vetiveria rigida | Poaceae | |
| Citharexylum spinosum* | Citharexylum fruticosum* | Verbenaceae | |
| Citronella spp. | Citronella spp. | Icacinaceae | Leptaulaceae |
| Citrus australasica | Microcitrus australasica | Rutaceae | |
| Citrus australis | Microcitrus australis | Rutaceae | |
| Citrus garrawayi | Citrus garrawayae | Rutaceae | |
| Citrus garrawayi | Microcitrus garrawayae | Rutaceae | |
| Citrus glauca | Eremocitrus glauca | Rutaceae | |
| Citrus inodora | Microcitrus inodora | Rutaceae | |
| Cladopus queenslandicus | Torrenticola queenslandica | Podostemaceae | |
| Cleidion javanicum | Cleidion spiciflorum (auct. non (Burm.f.)Merr.: Qld. Herbarium & Henderson 2002) | Euphorbiaceae | |
| Cleistanthus spp. | Cleistanthus spp. | Euphorbiaceae | Phyllanthaceae |
| Clematis decipiens | Clematis sp. Pikedale | Ranunculaceae | |
| Clematis glycinoides | Clematis glycinoides v. glycinoides | Ranunculaceae | |
| Clematis leptophylla | Clematis microphylla v. leptophylla | Ranunculaceae | |
| Clematis microphylla | Clematis microphylla v. microphylla | Ranunculaceae | |
| Clematis pickeringii | Clematis glycinoides v. submutica | Ranunculaceae | |
| Clematocissus opaca | Cissus opaca | Vitaceae | |
| Cleome spp. | Cleome spp. | Capparaceae | Cleomaceae |
| Clerodendrum longiflorum v. glabrum | Clerodendrum cunninghamii | Verbenaceae | Lamiaceae |
| Clerodendrum spp. | Clerodendrum spp. | Verbenaceae | Lamiaceae |
| Cnesmocarpon dasyantha | Jagera dasyantha | Sapindaceae | |
| Cnesmocarpon dasyantha | Jagera discolor | Sapindaceae | |
| Cochlospermum spp. | Cochlospermum spp. | Bixaceae | Cochlospermaceae |
| Coelospermum dasylobum | Morinda sp. Kingfisher Park | Rubiaceae | |
| Coelospermum purpureum | Coelospermum sp. Boonjie | Rubiaceae | |
| Commersonia argentea | Commersonia sp. 2 (S & R) | Sterculiaceae | Byttneriaceae |
| Commersonia argentea | Commersonia sp. Cadarga | Sterculiaceae | Byttneriaceae |
| Commersonia beeronensis | Commersonia sp. Beeron | Sterculiaceae | Byttneriaceae |
| Commersonia johnsonii | Commersonia sp. Zamia Range | Sterculiaceae | Byttneriaceae |
| Commersonia macrostipulata | Commersonia sp. Kuranda | Sterculiaceae | Byttneriaceae |
| Commersonia pedleyi | Rulingia mutabilis | Sterculiaceae | Byttneriaceae |
| Commersonia pedleyi | Rulingia sp 1 (Stanley & Ross) | Sterculiaceae | Byttneriaceae |
| Commersonia pedleyi | Rulingia sp. Westmar | Sterculiaceae | Byttneriaceae |
| Commersonia spp. | Commersonia spp. | Sterculiaceae | Byttneriaceae |
| Commersonia viscidula | Commersonia sp. 1 (S & R) | Sterculiaceae | Byttneriaceae |
| Commersonia viscidula | Commersonia sp. Tinbeerwah | Sterculiaceae | Byttneriaceae |
| Convolvulus graminetinus | Convolvulus sp. Toowoomba | Convolvulaceae | |
| Corchorus sericeus ssp. densiflorus | Corchorus walcottii v. densiflorus | Tiliaceae | Sparrmanniaceae |
| Corchorus sericeus ssp. sericeus | Corchorus sericeus (new subsp.) | Tiliaceae | Sparrmanniaceae |
| Corchorus sidoides ssp. sidoides | Corchorus sidoides (new subsp.) | Tiliaceae | Sparrmanniaceae |
| Corchorus sidoides ssp. vermicularis | Corchorus vermicularis | Tiliaceae | Sparrmanniaceae |
| Corchorus spp. | Corchorus spp. | Tiliaceae | Sparrmanniaceae |
| Corchorus subargenteus | Corchorus subargentus (incorrect spelling) | Tiliaceae | Sparrmanniaceae |
| Cordyline congesta | Cordyline sp. Boonah | Dracaenaceae | Laxmanniaceae |
| Cordyline spp. | Cordyline spp. | Dracaenaceae | Laxmanniaceae |
| Coronidium boormanii | Helichrysum boormanii | Asteraceae | |
| Coronidium boormanii | Helichrysum boormanii var. boormanii | Asteraceae | |
| Coronidium cymosum | Gen. sp. Blackdown Tableland | Asteraceae | |
| Coronidium elatum | Helichrysum elatum | Asteraceae | |
| Coronidium flavum | Gen. sp. Bluewater Creek | Asteraceae | |
| Coronidium flavum | Helichrysum sp. Bluewater Creek | Asteraceae | |
| Coronidium glutinosum | Helichrysum glutinosum | Asteraceae | |
| Coronidium lanosum | Gen. sp. Belyando River | Asteraceae | |
| Coronidium lanosum | Helichrysum sp. Belyando River | Asteraceae | |
| Coronidium lanuginosum | Helichrysum boormanii var. gillivrayi | Asteraceae | |
| Coronidium lanuginosum | Helichrysum boormanii var. tryonii | Asteraceae | |
| Coronidium lanuginosum | Helichrysum lanuginosum | Asteraceae | |
| Coronidium lindsayanum | Helichrysum lindsayanum | Asteraceae | |
| Coronidium newcastlianum | Helichrysum sp. Stannary Hills | Asteraceae | |
| Coronidium newcastlianum | Helichrysum newcastlianum | Asteraceae | |
| Coronidium oxylepis | Helichrysum oxylepis | Asteraceae | |
| Coronidium oxylepis | Helichrysum oxylepis | Asteraceae | |
| Coronidium oxylepis ssp. carnosum | Helichrysum oxylepis ssp. Fraser Island | Asteraceae | |
| Coronidium oxylepis ssp. lanatum | Helichrysum oxylepis ssp. Thulimbah | Asteraceae | |
| Coronidium rupicola | Helichrysum collinum | Asteraceae | |
| Coronidium rupicola | Helichrysum rupicola | Asteraceae | |
| Coronidium scorpioides | Helichrysum scorpioides | Asteraceae | |
| Coronidium telfordii | Gen. sp. Mt. Merino | Asteraceae | |
| Coronidium telfordii | Helichrysum sp. Mt. Merino | Asteraceae | |
| Corsia dispar | Corsia sp. Herberton Range | Corsiaceae | |
| Corybas cerasinus | Corybas neocaledonicus (misidentified - does not occur in Australia) | Orchidaceae | |
| Corybas fordhamii | Corysanthes fordhamii | Orchidaceae | |
| Corybas unguiculatus | Corysanthes unguiculatus | Orchidaceae | |
| Corymbia abergiana | Eucalyptus abergiana | Myrtaceae | |
| Corymbia aparrerinja | Eucalyptus papuana (in part) | Myrtaceae | |
| Corymbia bloxsomei | Eucalyptus bloxsomei | Myrtaceae | |
| Corymbia citriodora | Eucalyptus citriodora | Myrtaceae | |
| Corymbia citriodora ssp. citriodora | Corymbia citriodora (new subsp.) | Myrtaceae | |
| Corymbia citriodora ssp. variegata | Corymbia variegata | Myrtaceae | |
| Corymbia citriodora ssp. variegata | Eucalyptus variegata | Myrtaceae | |
| Corymbia clarksoniana | Corymbia ligans ssp. burdekinensis | Myrtaceae | |
| Corymbia confertiflora _ C. tessellaris | Corymbia _ chillagoensis | Myrtaceae | |
| Corymbia confertiflora _ C. tessellaris | Corymbia chillagoensis | Myrtaceae | |
| Corymbia gummifera | Eucalyptus gummifera | Myrtaceae | |
| Corymbia henryi | Eucalyptus henryi | Myrtaceae | |
| Corymbia intermedia | Eucalyptus intermedia | Myrtaceae | |
| Corymbia leichhardtii | Eucalyptus leichhardtii | Myrtaceae | |
| Corymbia papuana | Eucalyptus papuana (in part) | Myrtaceae | |
| Corymbia peltata | Eucalyptus peltata | Myrtaceae | |
| Corymbia polycarpa | Eucalyptus polycarpa | Myrtaceae | |
| Corymbia polycarpa | Corymbia ligans ssp. ligans | Myrtaceae | |
| Corymbia polycarpa | Corymbia ligans ssp. novocastrensis | Myrtaceae | |
| Corymbia ptychocarpa | Eucalyptus ptychocarpa | Myrtaceae | |
| Corymbia serendipita | Corymbia arnhemensis ssp. monticola | Myrtaceae | |
| Corymbia serendipita | Corymbia monticola | Myrtaceae | |
| Corymbia serendipita | Eucalyptus arnhemensis ssp. Newcastle Range | Myrtaceae | |
| Corymbia serendipita | Eucalyptus provecta | Myrtaceae | |
| Corymbia serendipita | Eucalyptus serendipita | Myrtaceae | |
| Corymbia serendipita | Eucalyptus sp. Forsayth | Myrtaceae | |
| Corymbia serendipita | Eucalyptus sp. Newcastle Ra. | Myrtaceae | |
| Corymbia serendipita | Eucalyptus sp. Q101 (Corymbia monticola ms.) | Myrtaceae | |
| Corymbia serendipita | Eucalyptus sp. Q142 (serendipita) | Myrtaceae | |
| Corymbia serendipita | Eucalyptus sp. Warang | Myrtaceae | |
| Corymbia setosa | Eucalyptus setosa | Myrtaceae | |
| Corymbia stockeri ssp. peninsularis | Corymbia hylandii ssp. peninsularis | Myrtaceae | |
| Corymbia stockeri ssp. peninsularis | Eucalyptus hylandii ssp. Coen | Myrtaceae | |
| Corymbia stockeri ssp. peninsularis | Eucalyptus hylandii v. campestris | Myrtaceae | |
| Corymbia stockeri ssp. peninsularis | Eucalyptus sp. Coen | Myrtaceae | |
| Corymbia stockeri ssp. peninsularis | Eucalyptus sp. Q73 (peninsularis ms) | Myrtaceae | |
| Corymbia stockeri ssp. stockeri | Corymbia stockeri | Myrtaceae | |
| Corymbia stockeri ssp. stockeri | Eucalyptus stockeri | Myrtaceae | |
| Corymbia terminalis | Eucalyptus terminalis | Myrtaceae | |
| Corymbia tessellaris | Eucalyptus tessellaris | Myrtaceae | |
| Corymbia torelliana | Eucalyptus torelliana | Myrtaceae | |
| Corymbia trachyphloia | Eucalyptus trachyphloia | Myrtaceae | |
| Corymbia watsoniana | Eucalyptus watsoniana | Myrtaceae | |
| Corynotheca lateriflora | Corynotheca lateriflora (newly recorded for Qld.) | Johnsoniaceae | |
| Corynotheca spp. | Corynotheca spp. | Anthericaceae | Johnsoniaceae |
| Costus potierae | Costus speciosus | Zingiberaceae | Costaceae |
| Costus spp. | Costus spp. | Zingiberaceae | Costaceae |
| Cotoneaster coriaceus* | Cotoneaster lacteus* | Rosaceae | |
| Craspedia haplorrhiza | Craspedia sp. O | Asteraceae | |
| Crepidium fimbriatum | Malaxis fimbriata | Orchidaceae | |
| Crepidium lawleri | Malaxis lawleri | Orchidaceae | |
| Crepidium marsupichilum | Malaxis marsupichila | Orchidaceae | |
| Crepidium xanthochilum | Malaxis xanthochila | Orchidaceae | |
| Crepidomanes barnardianum | Crepidomanes barnardianum ssp. barnardianum | Hymenophyllaceae | |
| Crinum spp. | Crinum spp. | Liliaceae | Amaryllidaceae |
| Crotalaria aridicola ssp. densifolia | Crotalaria aridicola ssp. Elliot | Fabaceae | |
| Crotalaria aridicola ssp. glabrata | Crotalaria aridicola ssp. Lawn Hill | Fabaceae | |
| Crotalaria cunninghamii ssp. sturtii | Crotalaria cunninghamii v. trifoliolata | Fabaceae | |
| Crotalaria cunninghamii ssp. sturtii | Crotalaria sturtii | Fabaceae | |
| Crotalaria medicarginea v. linearis | Crotalaria medicarginea v. Hughenden | Fabaceae | |
| Crotalaria montana v. exserta | Crotalaria exserta | Fabaceae | |
| Croton aridus | Croton sp. Barkly Downs | Euphorbiaceae | |
| Croton aridus | Croton sp. Q2 | Euphorbiaceae | |
| Croton mamillatus | Croton insularis x C. stigmatosus | Euphorbiaceae | |
| Croton minimus | Croton sp. Mt. Mulligan | Euphorbiaceae | |
| Croton multicaulis ssp. multicaulis | Croton sp. Myall Creek | Euphorbiaceae | |
| Croton multicaulis ssp. velutinus | Croton sp. Myall Creek ssp. Weipa | Euphorbiaceae | |
| Croton mutabilis | Croton sp. Possum Scrub | Euphorbiaceae | |
| Croton rarus | Croton sp. Watson River | Euphorbiaceae | |
| Crowea exalata ssp. magnifolia | Crowea saligna (misapplied name) | Rutaceae | |
| Crypsinus simplicissimus | Polypodium simplicissimum | Polypodiaceae | |
| Crypsinus simplicissimus | Selliguea simplicissima | Polypodiaceae | |
| Cryptandra amara v. amara | Cryptandra amara v. longifolia | Rhamnaceae | |
| Cryptandra ciliata | Cryptandra sp. Gurulmundi | Rhamnaceae | |
| Cryptandra debilis | Cryptandra amara v. Mt. Mulligan | Rhamnaceae | |
| Cryptandra orbicularis | Cryptandra sp. Isla Gorge | Rhamnaceae | |
| Cryptandra rigida | Cryptandra sp. Ngungun | Rhamnaceae | |
| Cryptocarya bamagana | Cryptocarya sp. Bamaga | Lauraceae | |
| Cryptocarya bellendenkerana | Cryptocarya sp. Bellenden Ker | Lauraceae | |
| Cryptocarya claudiana | Cryptocarya sp. Iron Range | Lauraceae | |
| Cryptocarya glaucocarpa | Cryptocarya sp. Claudie River | Lauraceae | |
| Cryptocarya laevigata | Cryptocarya laevigata v. bowiei | Lauraceae | |
| Cryptocarya macdonaldii | Cryptocarya sp. aff. cunninghamii | Lauraceae | |
| Cryptocarya macdonaldii | Cryptocarya sp. Cooloola | Lauraceae | |
| Cryptocarya sclerophylla | Cryptocarya sp. aff. bidwillii | Lauraceae | |
| Cryptocarya sclerophylla | Cryptocarya sp. Boonah | Lauraceae | |
| Cryptocarya triplinervis v. pubens | Cryptocarya triplinervis | Lauraceae | |
| Cryptocarya triplinervis v. riparia | Cryptocarya triplinervis | Lauraceae | |
| Ctenopteris blechnoides | Ctenopterella blechnoides | Grammitidaceae | |
| Ctenopteris blechnoides | Grammitis blechnoides | Grammitidaceae | |
| Ctenopteris gordonii | Ctenopterella gordonii | Grammitidaceae | |
| Ctenopteris gordonii | Polypodium gordonii | Polypodiaceae | Grammitidaceae |
| Ctenopteris walleri | Ctenopteris repandula | Grammitidaceae | |
| Ctenopteris walleri | Polypodium walleri | Polypodiaceae | Grammitidaceae |
| Cucumis maderaspatanus | Mukia maderspatana | Cucurbitaceae | |
| Cupaniopsis baileyana | Cupaniopsis foveolata (sth. Qld) | Sapindaceae | |
| Cupaniopsis papillosa | Cupaniopsis sp. Tully Falls | Sapindaceae | |
| Curculigo spp. | Curculigo spp. | Liliaceae | Hypoxidaceae |
| Cuttsia viburnea | Cuttsia viburnea | Grossulariaceae | Carpodetaceae |
| Cycas badensis | Cycas sp. Badu & Banks Islands | Cycadaceae | |
| Cycas cairnsiana | Cycas 'Blue Surprise' | Cycadaceae | |
| Cycas cairnsiana | Cycas 'Champion's Blue Surprise' | Cycadaceae | |
| Cycas cairnsiana | Cycas 'Mt. Surprise' | Cycadaceae | |
| Cycas candida | Cycas sp. Rollingstone | Cycadaceae | |
| Cycas couttsiana | Cycas 'Glen Idle Blue' | Cycadaceae | |
| Cycas media | Cycas kennedyana | Cycadaceae | |
| Cycas media | Cycas normanbyana | Cycadaceae | |
| Cycas media ssp. banksii | Cycas media ssp. 'Mackay' | Cycadaceae | |
| Cycas media ssp. ensata | Cycas sp. Bamaga | Cycadaceae | |
| Cycas media ssp. ensata | Cycas sp. Rocky River | Cycadaceae | |
| Cycas ophiolitica | Cycas 'Marlborough Blue' | Cycadaceae | |
| Cycas platyphylla | Cycas 'Petford Dwarf' | Cycadaceae | |
| Cycas semota | Cycas sp. Batavia Downs (in part) | Cycadaceae | |
| Cycas tuckeri | Cycas sp. Silver Plains | Cycadaceae | |
| Cycas xipholepis | Cycas sp. Batavia Downs (in part) | Cycadaceae | |
| Cycas yorkiana | Cycas sp. Moreton | Cycadaceae | |
| Cyclophyllum brevipes | Canthium brevipes | Rubiaceae | |
| Cyclophyllum coprosmoides | Canthium coprosmoides | Rubiaceae | |
| Cyclophyllum coprosmoides v. spathulatum | Canthium coprosmoides v. Fitzroy Island | Rubiaceae | |
| Cyclophyllum coprosmoides v. spathulatum | Plectronia coprosmoides v. spathulata | Rubiaceae | |
| Cyclophyllum costatum | Canthium costatum | Rubiaceae | |
| Cyclophyllum longipetalum | Canthium sp. Cooroy | Rubiaceae | |
| Cyclophyllum maritimum | Canthium sp. Lizard Island | Rubiaceae | |
| Cyclophyllum multiflorum | Canthium sp. Edmund Kennedy NP | Rubiaceae | |
| Cyclophyllum multiflorum | Canthium sp. Kuranda | Rubiaceae | |
| Cyclophyllum multiflorum | Canthium sp. Q7 (aff. coprosmoides) | Rubiaceae | |
| Cyclophyllum protractum | Canthium sp. Copper-Lode Falls | Rubiaceae | |
| Cyclophyllum rostellatum | Canthium sp. Mt. Rose | Rubiaceae | |
| Cylindropuntia fulgida v. mamillate* | Austrocylindropuntia cylindrica* (auct, non Juss. Ex Lam.) | Cactaceae | |
| Cylindropuntia imbricata* | Opuntia imbricata* | Cactaceae | |
| Cymbonotus maidenii | Cymbonotus sp. Mitchell | Asteraceae | |
| Cyperus alaticaulis | Cyperus sp. Chester River | Cyperaceae | |
| Cyperus blakeanus | Cyperus sp. aff. holoschoenus | Cyperaceae | |
| Cyperus castaneus | Cyperus castaneus v. brevimucronatus | Cyperaceae | |
| Cyperus castaneus | Cyperus castaneus v. castaneus | Cyperaceae | |
| Cyperus castaneus | Cyperus castaneus v. Maranboy | Cyperaceae | |
| Cyperus eboracensis | Cyperus sp. Cape York | Cyperaceae | |
| Cyperus gunnii ssp. novae-hollandiae | Cyperus novae-hollandiae | Cyperaceae | |
| Cyperus multispiceus | Cyperus sp. The Boulders | Cyperaceae | |
| Cyperus sharpei | Cyperus sp. Herberton | Cyperaceae | |
| D | TOP | ||
| Daphnandra apatela | Daphnandra sp. McPherson Range | Monimiaceae | Atherospermaceae |
| Daphnandra spp. | Daphnandra spp. | Monimiaceae | Atherospermaceae |
| Dapsilanthus ramosus | Leptocarpus ramosus | Restionaceae | |
| Dapsilanthus ramosus | Leptocarpus schultzii | Restionaceae | |
| Dapsilanthus spathaceus | Leptocarpus spathaceus | Restionaceae | |
| Davallia pectinata | Humata pectinata | Davalliaceae | |
| Davallia repens | Adiantum repens | Davalliaceae | |
| Davallia repens | Humata repens | Davalliaceae | |
| Davidsonia spp. | Davidsonia spp. | Davidsoniaceae | Cunoniaceae |
| Decaisnina angustata | Decaisnina brittenii ssp. speciosa (auct.non Barlow) | Loranthaceae | |
| Delarbrea michieana | Delarbrea michieana | Araliaceae | Myodocarpaceae |
| Dendrobium aemulum | Tropilis angusta | Orchidaceae | |
| Dendrobium aemulum | Tropilis crassa | Orchidaceae | |
| Dendrobium aemulum | Tropilis eburnea | Orchidaceae | |
| Dendrobium aemulum | Tropilis eungellensis | Orchidaceae | |
| Dendrobium aemulum | Tropilis radiata | Orchidaceae | |
| Dendrobium agrostophyllum | Dendrobium muellerianum | Orchidaceae | |
| Dendrobium aphyllum | Dendrobium macrostachyum | Orchidaceae | |
| Dendrobium aphyllum | Dendrobium stuartii | Orchidaceae | |
| Dendrobium aphyllum | Dendrobium whiteanum | Orchidaceae | |
| Dendrobium discolor | Dendrobium discolor ssp. incurvate | Orchidaceae | |
| Dendrobium discolor | Dendrobium fuscum | Orchidaceae | |
| Dendrobium discolor | Durabaculum fuscum | Orchidaceae | |
| Dendrobium jonesii | Dendrobium fusiforme v. blackburnii | Orchidaceae | |
| Dendrobium jonesii | Thelychiton jonesii ssp. bancroftianus | Orchidaceae | |
| Dendrobium jonesii | Thelychiton jonesii ssp. blackburnii | Orchidaceae | |
| Dendrobium jonesii ssp. blackburnii | Dendrobium fusiforme v. blackburnii | Orchidaceae | |
| Dendrobium lichenastrum | Bulbophyllum lichenastrum | Orchidaceae | |
| Dendrobium lithocola | Dendrobium phalaenopsis v. compactum | Orchidaceae | |
| Dendrobium lobbii | Conostalix paludicola | Orchidaceae | |
| Dendrobium lobbii | Dendrobium paludicola | Orchidaceae | |
| Dendrobium macrostachyum | Dendrobium stuartii | Orchidaceae | |
| Dendrobium macrostachyum | Dendrobium whiteanum | Orchidaceae | |
| Dendrobium prenticei | Bulbophyllum prenticei | Orchidaceae | |
| Dendrobium prenticei | Dendrobium lichenastrum v. prenticei | Orchidaceae | |
| Dendrobium speciosum | Dendrobium curvicaule | Orchidaceae | |
| Dendrobium speciosum | Dendrobium pedunculatum | Orchidaceae | |
| Dendrobium speciosum | Dendrobium rex | Orchidaceae | |
| Dendrobium speciosum | Dendrobium speciosum f. grandiflorum | Orchidaceae | |
| Dendrobium speciosum | Dendrobium speciosum ssp. capricornicum | Orchidaceae | |
| Dendrobium speciosum | Dendrobium speciosum ssp. curvicaule | Orchidaceae | |
| Dendrobium speciosum | Dendrobium speciosum ssp. grandiflorum | Orchidaceae | |
| Dendrobium speciosum | Dendrobium speciosum ssp. pedunculatum | Orchidaceae | |
| Dendrobium speciosum | Dendrobium speciosum v. blackdownense | Orchidaceae | |
| Dendrobium speciosum | Dendrobium speciosum v. boreale | Orchidaceae | |
| Dendrobium speciosum | Dendrobium speciosum v. capricornicum | Orchidaceae | |
| Dendrobium speciosum | Dendrobium speciosum v. curvicaule | Orchidaceae | |
| Dendrobium speciosum | Dendrobium speciosum v. nitidum | Orchidaceae | |
| Dendrobium speciosum | Dendrobium speciosum v. pedunculatum | Orchidaceae | |
| Dendrobium speciosum | Dendrobium x nitidum (in the sense of M.A.Clem & D.L.Jones) | Orchidaceae | |
| Dendrobium speciosum | Thelychiton biconvexus | Orchidaceae | |
| Dendrobium speciosum | Thelychiton capricornicus | Orchidaceae | |
| Dendrobium speciosum | Thelychiton coriaceus | Orchidaceae | |
| Dendrobium speciosum | Thelychiton curvicaulis | Orchidaceae | |
| Dendrobium speciosum | Thelychiton nitidus | Orchidaceae | |
| Dendrobium speciosum | Thelychiton pedunculatus | Orchidaceae | |
| Dendrobium speciosum | Thelychiton rex | Orchidaceae | |
| Dendrobium speciosum | Thelychiton rupicola | Orchidaceae | |
| Dendrobium speciosum | Thelychiton speciosus | Orchidaceae | |
| Dendrobium speciosum | Thelychiton spectabilis | Orchidaceae | |
| Dendrobium speciosum | Thelychiton tarberi | Orchidaceae | |
| Dendrocnide cordifolia | Dendrocnide cordata (in part) | Urticaceae | |
| Dendrolobium arbuscula | Dendrolobium sp. Mt. Scatterbrain | Fabaceae | |
| Dendrolobium arbuscula | Desmodium arbuscula | Fabaceae | |
| Dendrolobium umbellatum v. umbellatum | Dendrolobium umbellatum (Australian species) | Fabaceae | |
| Deparia petersenii ssp. congrua | Lunathyrium japonicum | Athyriaceae | |
| Derwentia arenaria | Veronica arenaria | Scrophulariaceae | |
| Derwentia derwentiana | Veronica derwentiana | Scrophulariaceae | |
| Derwentia derwentiana ssp. derwentiana | Derwentia derwentiana (in Qld.) | Scrophulariaceae | |
| Desmanthus leptophyllus* | Desmanthus leptophyllus* (newly naturalised in Qld.) | Mimosaceae | |
| Desmanthus pernambucanus* | Desmanthus virgatus* (auct.non. [L.] Willd.) | Mimosaceae | |
| Desmodium pullenii | Desmodium sp. Laura | Fabaceae | |
| Desmodium pycnotrichum | Desmodium sp. Mary River & Q4 | Fabaceae | |
| Deyeuxia mckiei | Deyeuxia mckiei (newly recorded for Qld.) | Poaceae | |
| Dianella spp. | Dianella spp. | Phormiaceae | Hemerocallidaceae |
| Dicarpidium monoicum | Dicarpidium monoicum | Sterculiaceae | Byttneriaceae |
| Dichelachne montana | Dichelachne sp. Brisbane | Poaceae | |
| Dichopogon spp. | Dichopogon spp. | Liliaceae | Anthericaceae |
| Dichopus insignis | Grastidium insignis | Orchidaceae | |
| Dicrastylis costelloi | Dicrastylis costelloi v. violacea | Lamiaceae | |
| Didymoglossum bimarginatum | Microgonium bimarginatum | Hymenophyllaceae | |
| Didymoglossum bimarginatum | Trichomanes bimarginatum | Hymenophyllaceae | |
| Didymoglossum exiguum | Hymenophyllum exiguum | Hymenophyllaceae | |
| Didymoglossum exiguum | Trichomanes exiguum | Hymenophyllaceae | |
| Didymoglossum mindorense | Microgonium mindorense | Hymenophyllaceae | |
| Didymoglossum mindorense | Trichomanes mindorense | Hymenophyllaceae | |
| Didymoglossum motleyi | Microgonium motleyi | Hymenophyllaceae | |
| Didymoglossum motleyi | Trichomanes motleyi | Hymenophyllaceae | |
| Didymoglossum tahitense | Microgonium tahitense | Hymenophyllaceae | |
| Didymoglossum tahitense | Trichomanes tahitense | Hymenophyllaceae | |
| Digitaria breviglumis | Digitaria Mt. Mulligan | Poaceae | |
| Digitaria diminuta | Digitaria breviglumis in part | Poaceae | |
| Digitaria fumida | Digitaria breviglumis in part | Poaceae | |
| Dillwynia phylicoides | Dillwynia retorta v. phylicoides | Fabaceae | |
| Dillwynia retorta | Dillwynia retorta v. retorta | Fabaceae | |
| Dillwynia sieberi | Dillwynia juniperina (in Qld.) | Fabaceae | |
| Dimocarpus longan* | Dimocarpus leichhardtii* | Sapindaceae | |
| Dinosperma erythrococcum | Dinosperma erythrococca | Rutaceae | |
| Dinosperma erythrococcum | Euodia erythrococca | Rutaceae | |
| Dinosperma erythrococcum | Melicope erythrococca | Rutaceae | |
| Dinosperma longifolium | Dinosperma sp. Freshwater Creek | Rutaceae | |
| Dinosperma melanophloia | Melicope melanophloia | Rutaceae | |
| Dinosperma stipitatum | Melicope stipitata | Rutaceae | |
| Diospyros ellipticifolia f. australiensis | Diospyros ellipticifolia v. ebenus | Ebenaceae | |
| Diospyros ellipticifolia v. ebenus | Diospyros major v. ebenus | Ebenaceae | |
| Diospyros geminata | Diospyros ferrea v. geminata | Ebenaceae | |
| Diospyros humilis | Diospyros ferrea v. humilis | Ebenaceae | |
| Diplazium dameriae | Diplazium sylvaticum | Athyriaceae | |
| Diploglottis australis | Diploglottis cunninghamii | Sapindaceae | |
| Dissiliaria indistincta | Dissiliaria laxinervis (Townsville-Proserpine) | Euphorbiaceae | Picrodendraceae |
| Dissiliaria indistincta | Dissiliaria sp. Mt. Dryander | Euphorbiaceae | Picrodendraceae |
| Dissiliaria spp. | Dissiliaria spp. | Euphorbiaceae | Picrodendraceae |
| Dissiliaria surculosa | Dissiliaria sp. Rocky River | Euphorbiaceae | Picrodendraceae |
| Dissiliaria tuckeri | Dissiliaria sp. Gap Creek | Euphorbiaceae | Picrodendraceae |
| Diuris chrysantha | Diuris curta | Orchidaceae | |
| Diuris chrysantha | Diuris unica | Orchidaceae | |
| Dockrillia brevicauda | Dendrobium brevicaudum | Orchidaceae | |
| Dockrillia calamiformis | Dendrobium calamiforme | Orchidaceae | |
| Dockrillia cucumerina | Dendrobium cucumerinum | Orchidaceae | |
| Dockrillia dolichophylla | Dendrobium dolichophyllum | Orchidaceae | |
| Dockrillia fairfaxii | Dendrobium fairfaxii | Orchidaceae | |
| Dockrillia linguiformis | Dendrobium linguiforme | Orchidaceae | |
| Dockrillia mortii | Dendrobium mortii | Orchidaceae | |
| Dockrillia mortii | Dendrobium tenuissimum | Orchidaceae | |
| Dockrillia nugentii | Dendrobium linguiforme v. nugentii | Orchidaceae | |
| Dockrillia pugioniformis | Dendrobium pugioniforme | Orchidaceae | |
| Dockrillia racemosa | Dendrobium racemosum | Orchidaceae | |
| Dockrillia rigida | Dendrobium rigidum | Orchidaceae | |
| Dockrillia schoenina | Dendrobium schoeninum | Orchidaceae | |
| Dockrillia striolata | Dendrobium striolatum | Orchidaceae | |
| Dockrillia teretifolia | Dendrobium teretifolium | Orchidaceae | |
| Dockrillia wassellii | Dendrobium wassellii | Orchidaceae | |
| Dodonaea falcata | Dodonaea sp. aff. filifolia | Sapindaceae | |
| Dodonaea heteromorpha | Dodonaea sp. aff. truncatiales | Sapindaceae | |
| Dodonaea sinuolata | Dodonaea sp. aff. tenuifolia | Sapindaceae | |
| Dodonaea uncinata | Dodonaea sp. aff. boroniifolia | Sapindaceae | |
| Dodonaea viscosa ssp. angustifolia | Dodonaea angustifolia | Sapindaceae | |
| Dodonaea viscosa ssp. angustissima | Dodonaea angustissima | Sapindaceae | |
| Dodonaea viscosa ssp. angustissima | Dodonaea attenuata | Sapindaceae | |
| Dodonaea viscosa ssp. burmanniana | Dodonaea burmanniana | Sapindaceae | |
| Dodonaea viscosa ssp. burmanniana | Dodonaea nematoidea | Sapindaceae | |
| Dodonaea viscosa ssp. cuneata | Dodonaea cuneata | Sapindaceae | |
| Dodonaea viscosa ssp. mucronata | Dodonaea viscosa ssp. F (in Encyclopaedia of Aust. Plants) | Sapindaceae | |
| Dodonaea viscosa ssp. spatulata | Dodonaea spatulata | Sapindaceae | |
| Dodonaea viscosa ssp. viscosa | Dodonaea repanda | Sapindaceae | |
| Dodonaea viscosa ssp. viscosa | Dodonaea viscosa v. vulgaris | Sapindaceae | |
| Doodia australis | Doodia media ssp. australis | Blechnaceae | |
| Doodia dissecta | Doodia caudata f. triloba | Blechnaceae | |
| Doodia linearis | Doodia caudata v. laminosa | Blechnaceae | |
| Doryanthes spp. | Doryanthes spp. | Agavaceae | Doryanthaceae |
| Doryphora spp. | Doryphora spp. | Monimiaceae | Atherospermaceae |
| Dryadodaphne trachyphloia | Dryadodaphne sp. Mt. Lewis | Monimiaceae | Atherospermaceae |
| Drymophila spp. | Drymophila spp. | Liliaceae | Convallariaceae |
| Drypetes acuminata | Drypetes sp. Koolmoon Creek | Euphorbiaceae | Putranjivaceae |
| Drypetes deplanchei | Drypetes australasica | Euphorbiaceae | Putranjivaceae |
| Drypetes iodoformis | Drypetes subcubica | Euphorbiaceae | Putranjivaceae |
| Drypetes vernicosa | Drypetes sp. Pascoe River | Euphorbiaceae | Putranjivaceae |
| Dubouzetia saxatilis | Dubouzetia sp. Frederick Peak | Elaeocarpaceae | |
| Dysoxylum acutangulum ssp. foveolatum | Dysoxylum foveolatum | Meliaceae | |
| Dysoxylum acutangulum ssp. foveolatum | Dysoxylum schultzii | Meliaceae | |
| Dysoxylum gaudichaudianum | Dysoxylum amooroides | Meliaceae | |
| Dysoxylum gaudichaudianum | Dysoxylum decandrum | Meliaceae | |
| Dysoxylum gaudichaudianum | Turraea decandra | Meliaceae | |
| Dysoxylum mollissimum ssp. molle | Dysoxylum molle | Meliaceae | |
| Dysoxylum mollissimum ssp. molle | Dysoxylum muelleri | Meliaceae | |
| Dysoxylum papuanum | Dysoxylum micranthum | Meliaceae | |
| Dysoxylum papuanum | Dysoxylum sp. Atherton Tableland | Meliaceae | |
| Dysoxylum pumilum | Dysoxylum sp. Gosschalk | Meliaceae | |
| Dysphania ambrosioides* | Chenopodium ambrosioides* | Chenopodiaceae | |
| Dysphania carinata | Chenopodium carinatum | Chenopodiaceae | |
| Dysphania cristata | Chenopodium cristatum | Chenopodiaceae | |
| Dysphania melanocarpa | Chenopodium melanocarpum | Chenopodiaceae | |
| Dysphania melanocarpa f. melanocarpa | Chenopodium melanocarpum | Chenopodiaceae | |
| Dysphania multifidum* | Chenopodium multifidum* | Chenopodiaceae | |
| Dysphania truncata | Chenopodium truncatum | Chenopodiaceae | |
| E | TOP | ||
| Echinostephia aculeata | Stephania aculeata | Menispermaceae | |
| Ectrosia nervilemma | Planichloa nervilemma | Poaceae | |
| Einadia hastata | Rhagodia hastata | Chenopodiaceae | |
| Einadia nutans | Rhagodia nutans | Chenopodiaceae | |
| Elaeodendron australe | Cassine australis | Celastraceae | |
| Elattostachys rubrofructus | Elattostachys rubrofructus (new record for Qld.) | Sapindaceae | |
| Elymus plurinervis | Elymus scaber var. plurinervis | Poaceae | |
| Empusa habenarina | Liparis habenaria | Orchidaceae | |
| Empusa habenarina | Sturmia habenaria | Orchidaceae | |
| Endiandra bellendenkerana | Endiandra sp. Bellenden Ker | Lauraceae | |
| Endiandra collinsii | Endiandra sp. Iron Range | Lauraceae | |
| Endiandra cooperana | Endiandra sp. Cooper Creek | Lauraceae | |
| Endiandra grayi | Endiandra sp. Alexandra | Lauraceae | |
| Endiandra monothyra ssp. monothyra | Endiandra monothyra (new subsp.) | Lauraceae | |
| Endiandra monothyra ssp. trichophylla | Endiandra monothyra (new subsp.) | Lauraceae | |
| Endiandra muelleri ssp. bracteata | Endiandra muelleri | Lauraceae | |
| Endiandra phaeocarpa | Endiandra sp. Mt. Lewis | Lauraceae | |
| Endiandra xanthocarpa | Endiandra sp. Boonjee | Lauraceae | |
| Endressia wardellii | Mollinedia wardellii | Monimiaceae | |
| Endressia wardellii | Wilkiea wardellii | Monimiaceae | |
| Enydra woollsii | Enydra fluctuans (auct. non Lour.) | Asteraceae | |
| Epacris spp. | Epacris spp. | Epacridaceae | Ericaceae |
| Epipremnum amplissimum | Rhaphidophora sp. Bamaga | Araceae | |
| Epipremnum petrieana | Rhaphidophora petrieana | Araceae | |
| Epipremnum petrieana | Rhaphidophora sp. aff. australasica | Araceae | |
| Epipremnum pinnatum | Rhaphidophora pinnata | Araceae | |
| Epipremnum pinnatum 'Aureum' | Epipremnum aureum (auct.non. [Linden ex Andre] G.S.Bunting) | Araceae | |
| Eragrostis fenshamii | Eragrostis sp. Bundoona | Poaceae | |
| Eragrostis jacobsiana | Eragrostis sp. Moorhead River | Poaceae | |
| Eragrostis jerichoensis | Eragrostis sp. Jericho | Poaceae | |
| Eremophea spinosa | Eremophea spinosa (newly recorded for Qld.) | Chenopodiaceae | |
| Eremophila acrida | Eremophila sp. Richmond | Myoporaceae | |
| Eremophila arbuscula | Eremophila sp. Quilpie | Myoporaceae | |
| Eremophila debilis | Myoporum debile | Myoporaceae | |
| Eremophila hispida | Eremophila sp. Oban Station | Myoporaceae | |
| Eremophila obovata ssp. glabruiscula | Eremophila obovata v. glabruiscula | Myoporaceae | |
| Eremophila obovata ssp. obovata | Eremophila obovata v. obovata | Myoporaceae | |
| Eremophila stenophylla | Eremophila sp. Grey Range | Myoporaceae | |
| Eriachne avenacea | Eriachne avenacea (newly recorded for Qld.) | Poaceae | |
| Eriachne major | Eriachne obtusa v. major | Poaceae | |
| Eriachne pallescens v. gracilis | Eriachne anomala | Poaceae | |
| Eriachne pallescens v. gracilis | Eriachne gracilis | Poaceae | |
| Eriachne pallescens v. pallescens | Eriachne yarrabensis | Poaceae | |
| Eriachne pulchella ssp. dominii | Eriachne dominii | Poaceae | |
| Eriachne stipacea | Eriachne stipacea v. hirsuta | Poaceae | |
| Eriocaulon aloefolium | Eriocaulon sp. Edgbaston | Eriocaulaceae | |
| Eriocaulon athertonense | Eriocaulon sp. Atherton | Eriocaulaceae | |
| Eriocaulon carpentariae | Eriocaulon sp. Sefton | Eriocaulaceae | |
| Eriocaulon clarksonii | Eriocaulon sp. Weipa | Eriocaulaceae | |
| Eriocaulon giganticum | Eriocaulon sp. Lake Mueller | Eriocaulaceae | |
| Eriocaulon nematophyllum | Eriocaulon sp. Aurukun | Eriocaulaceae | |
| Eriocaulon odontospermum | Eriocaulon sp. Cooktown | Eriocaulaceae | |
| Eriochlamys cupularis | Eriochlamys behrii | Asteraceae | |
| Eriochloa fatmensis | Eriochloa decumbens | Poaceae | |
| Eriostemon banksii | Eriostemon australasius ssp. banksii | Rutaceae | |
| Erodium carolinianum | Erodium signorum ssp. glandulosum | Geraniaceae | |
| Erodium signorum | Erodium signorum ssp. cygnorum | Geraniaceae | |
| Eryngium fontanum | Eryngium sp. Doongmabulla | Apiaceae | |
| Erythrina fusca | Erythrina fusca (newly recognised for Qld. | Fabaceae | |
| Erythrina numerosa | Erythrina sp. Croftby | Fabaceae | |
| Erythrina sp. Croftby | Erythrina sp. Pine Mountain | Fabaceae | |
| Erythrina vespertilio ssp. biloba | Erythrina biloba | Fabaceae | |
| Erythrina vespertilio ssp. biloba | Erythrina vespertilio var. biloba | Fabaceae | |
| Erythrina vespertilio ssp. vespertilio | Erythrina vespertilio var. vespertilio | Fabaceae | |
| Erythroxylum sp. Splityard Creek | Erythroxylum australe (Rockhampton southward) | Erythroxylaceae | |
| Eucalyptus acroleuca | Eucalyptus sp. Q10 | Myrtaceae | |
| Eucalyptus ammophila | Eucalyptus sp. Charleville | Myrtaceae | |
| Eucalyptus amplifolia ssp. sessiliflora | Eucalyptus amplifolia (in Qld.) | Myrtaceae | |
| Eucalyptus barklyensis | Eucalyptus sp. Q119 | Myrtaceae | |
| Eucalyptus baueriana | Eucalyptus magnificata | Myrtaceae | |
| Eucalyptus broviniensis | Eucalyptus sp. Brovinia | Myrtaceae | |
| Eucalyptus caleyi ssp. caleyi | Eucalyptus caleyi (in Qld.) | Myrtaceae | |
| Eucalyptus camaldulensis ssp. obtusa | Eucalyptus camaldulensis var. obtusa | Myrtaceae | |
| Eucalyptus camaldulensis ssp. simulate | Eucalyptus camaldulensis ssp. Laura River | Myrtaceae | |
| Eucalyptus clandestina | Eucalyptus sp. Clermont | Myrtaceae | |
| Eucalyptus coolabah ssp. arida | Eucalyptus coolabah v. arida | Myrtaceae | |
| Eucalyptus coolabah ssp. excerata | Eucalyptus coolabah (new subsp.) | Myrtaceae | |
| Eucalyptus corynodes | Eucalyptus sp. Melrose | Myrtaceae | |
| Eucalyptus diclusa | Eucalyptus sp. Blackdown | Myrtaceae | |
| Eucalyptus distans | Eucalyptus epruinata | Myrtaceae | |
| Eucalyptus dura | Eucalyptus sp. aff. paniculata | Myrtaceae | |
| Eucalyptus elegans | Eucalyptus crebra x E. sp. Inglewood | Myrtaceae | |
| Eucalyptus elegans | Eucalyptus sp. Chinchilla | Myrtaceae | |
| Eucalyptus elegans | Eucalyptus sp. Gilgandra | Myrtaceae | |
| Eucalyptus elegans | Eucalyptus sp. Inglewood | Myrtaceae | |
| Eucalyptus erosa | Eucalyptus sp. Carnarvon Gorge | Myrtaceae | |
| Eucalyptus erosa | Eucalyptus sp. Mt. Moffatt Homestead | Myrtaceae | |
| Eucalyptus erosa | Eucalyptus xenica | Myrtaceae | |
| Eucalyptus grisea | Eucalyptus sp. Buckland Tableland | Myrtaceae | |
| Eucalyptus grisea | Eucalyptus sp. West Consuelo Tableland | Myrtaceae | |
| Eucalyptus infera | Eucalyptus sp. Herries Range | Myrtaceae | |
| Eucalyptus kabiana | Eucalyptus sp. Mt. Beerwah | Myrtaceae | |
| Eucalyptus latisinensis | Eucalyptus sp. Lowmead | Myrtaceae | |
| Eucalyptus leucophloia ssp. euroa | Eucalyptus leucophloia ssp. Cloncurry | Myrtaceae | |
| Eucalyptus lockyeri | Eucalyptus sp. Herberton | Myrtaceae | |
| Eucalyptus lockyeri ssp. exuta | Eucalyptus lockyeri ssp. Tinaroo Creek | Myrtaceae | |
| Eucalyptus mckieana | Eucalyptus tinghaensis (auct.non. Blakely & McKie) | Myrtaceae | |
| Eucalyptus mediocris | Eucalyptus irritans | Myrtaceae | |
| Eucalyptus mediocris | Eucalyptus sp. Charters Towers | Myrtaceae | |
| Eucalyptus mediocris | Eucalyptus sp. Mt. Mulligan | Myrtaceae | |
| Eucalyptus mediocris | Eucalyptus sp. Q51 & Q67 | Myrtaceae | |
| Eucalyptus mediocris | Eucalyptus sp. Torrens Creek | Myrtaceae | |
| Eucalyptus montivaga | Eucalyptus andrewsii ssp. Boolbunda Rock | Myrtaceae | |
| Eucalyptus montivaga | Eucalyptus haemastoma v. inophloia | Myrtaceae | |
| Eucalyptus montivaga | Eucalyptus sp. Boolbunda Rock | Myrtaceae | |
| Eucalyptus pachycalyx ssp. waajensis | Eucalyptus sp. Waaje | Myrtaceae | |
| Eucalyptus paedoglauca | Eucalyptus sp. Mt. Stuart | Myrtaceae | |
| Eucalyptus populnea ssp. bimbil | Eucalyptus populnea (new subsp.) | Myrtaceae | |
| Eucalyptus portuensis | Eucalyptus sp. Port Douglas | Myrtaceae | |
| Eucalyptus portuensis | Eucalyptus sp. Shute Harbour | Myrtaceae | |
| Eucalyptus portuensis | Eucalyptus uvida | Myrtaceae | |
| Eucalyptus racemosa | Eucalyptus signata | Myrtaceae | |
| Eucalyptus racemosa ssp. racemosa | Eucalyptus racemosa (in Qld.) | Myrtaceae | |
| Eucalyptus resinifera ssp. hemilampra | Eucalyptus resinifera (new subsp.) | Myrtaceae | |
| Eucalyptus rhombica | Eucalyptus sp. Binjour Plateau | Myrtaceae | |
| Eucalyptus silicifolia | Eucalyptus sp. Minerva Hills | Myrtaceae | |
| Eucalyptus socialis ssp. eucentrica | Eucalyptus eucentrica | Myrtaceae | |
| Eucalyptus socialis ssp. socialis | Eucalyptus socialis (new subsp.) | Myrtaceae | |
| Eucalyptus tardecidens | Eucalyptus persistens ssp. tardecidens | Myrtaceae | |
| Eucalyptus taurina | Eucalyptus sp. Crows Nest | Myrtaceae | |
| Eucalyptus taurina | Eucalyptus sp. Gatton | Myrtaceae | |
| Eucalyptus tholiformis | Eucalyptus sp. Salvator Rosa | Myrtaceae | |
| Eucalyptus viridis | Eucalyptus viridis var. latiuscula | Myrtaceae | |
| Eucalyptus viridis | Eucalyptus viridis var. viridis | Myrtaceae | |
| Euchiton gymnocephalus | Gnaphalium gymnocephalum | Asteraceae | |
| Euchiton involucratus | Gnaphalium involucratum | Asteraceae | |
| Euchiton japonicus | Euchiton sp. Indooroopilly | Asteraceae | |
| Euchiton phaericus | Gnaphalium phaericum | Asteraceae | |
| Eucryphia jinksii | Eucryphia sp. Springbrook | Eucryphiaceae | Cunoniaceae |
| Eucryphia spp. | Eucryphia spp. | Eucryphiaceae | Cunoniaceae |
| Eucryphia wilkiei | Eucryphia sp. Mt. Bartle Frere | Eucryphiaceae | Cunoniaceae |
| Euphorbia psammogeton | Chamaesyce sparrmanii | Euphorbiaceae | |
| Euphorbia psammogeton | Euphorbia sparrmanii | Euphorbiaceae | |
| Eupomatia barbata | Eupomatia sp. Noahs Head | Eupomatiaceae | |
| Eurychorda complanata | Restio complanatus | Restionaceae | |
| Eustrephus latifolius | Eustrephus latifolius | Philesiaceae | Laxmanniaceae |
| Everistia vacciniifolia | Canthium vacciniifolium | Rubiaceae | |
| Everistia vacciniifolia v. nervosa | Canthium microphyllum | Rubiaceae | |
| F | TOP | ||
| Fagraea berteroana | Fagraea berteriana | Loganiaceae | Gentianaceae |
| Fagraea cambagei | Fagraea gracillipes (incorrectly named) | Loganiaceae | Gentianaceae |
| Fagraea spp. | Fagraea spp. | Loganiaceae | Gentianaceae |
| Fatuoa villosa | Fatuoa pilosa (auct. non Gaudich.) | Moraceae | |
| Ficus aculeata | Ficus aculeata v. micracantha | Moraceae | |
| Ficus aculeata | Ficus micracantha | Moraceae | |
| Ficus aculeata | Ficus opposita v. aculeata | Moraceae | |
| Ficus aculeata | Ficus opposita v. micracantha | Moraceae | |
| Ficus cerasicarpa | Ficus sp. East Alligator River | Moraceae | |
| Ficus cerasicarpa | Ficus sp. Q1 (aff. leucotricha) | Moraceae | |
| Ficus opposita | Ficus opposita v. opposita | Moraceae | |
| Ficus platypoda v. leichhardtii | Ficus leichhardtii | Moraceae | |
| Ficus platypoda v. leichhardtii | Ficus leichhardtii v. angustata | Moraceae | |
| Ficus platypoda v. leichhardtii | Ficus platypoda v. angustata | Moraceae | |
| Ficus platypoda v. leichhardtii | Urostigma leichhardtii | Moraceae | |
| Ficus rubiginosa | Ficus obliqua v. petiolaris | Moraceae | |
| Ficus rubiginosa | Ficus platypoda v. petiolaris | Moraceae | |
| Fimbristylis schultzii | Fimbristylis stellata (in part) | Cyperaceae | |
| Fitzalania bidwillii | Saccopetalum bidwillii | Annonaceae | |
| Flaveria trinervia | Flaveria australasica (newly synonymised) | Asteraceae | |
| Flueggea spp. | Flueggea spp. | Euphorbiaceae | Phyllanthaceae |
| Fontainea australis | Fontainea sp. Tweed Valley | Euphorbiaceae | |
| Fontainea fugax | Fontainea sp. Binjour | Euphorbiaceae | |
| Fontainea rostrata | Fontainea sp. Deep Creek | Euphorbiaceae | |
| Fontainea venosa | Fontainea sp. Bahrs Scrub | Euphorbiaceae | |
| Fumaria spp. | Fumaria spp. | Fumariaceae | Papaveraceae |
| G | TOP | ||
| Galium binifolium ssp. binifolium | Galium binifolium (new ssp. in Qld.) | Rubiaceae | |
| Galium ciliare ssp. ciliare | Galium ciliare (new ssp. in Qld.) | Rubiaceae | |
| Galium gaudichaudii ssp. parviflorum | Galium gaudichaudii ssp. Glen Aplin | Rubiaceae | |
| Galium leiocarpum | Galium sp. Killarney | Rubiaceae | |
| Galium leptogonium | Galium sp. Cooyar | Rubiaceae | |
| Galium spathulatum | Galium sp. Eungella | Rubiaceae | |
| Gamochaeta americana | Gnaphalium americanum | Asteraceae | |
| Gamochaeta antillara | Gnaphalium antillarum | Asteraceae | |
| Gamochaeta calviceps | Gnaphalium calviceps | Asteraceae | |
| Gamochaeta coarctata* | Gamochaeta spicata* | Asteraceae | |
| Gamochaeta pensylvanica | Gnaphalium pensylvanica | Asteraceae | |
| Gamochaeta spicata | Gnaphalium coarctatum | Asteraceae | |
| Gamochaeta subfalcata | Gnaphalium subfalcatum | Asteraceae | |
| Geitonoplesium cymosum | Geitonoplesium cymosum | Philesiaceae | Hemerocallidaceae |
| Geniostoma rupestre v. australianum | Geniostoma rupestre v. australianum | Geniostomaceae | Loganiaceae |
| Genoplesium archeri | Prasophyllum archeri | Orchidaceae | |
| Genoplesium nudiscapum | Prasophyllum densum | Orchidaceae | |
| Genoplesium nudiscapum | Prasophyllum nudiscapum | Orchidaceae | |
| Genoplesium parvicallum | Prasophyllum parvicallum | Orchidaceae | |
| Genoplesium pumilum | Prasophyllum pumilum | Orchidaceae | |
| Genoplesium pumilum | Prasophyllum viride | Orchidaceae | |
| Genoplesium rufum | Prasophyllum rufum | Orchidaceae | |
| Genoplesium sagittiferum | Prasophyllum sagittiferum | Orchidaceae | |
| Geodorum densiflorum | Geodorum neocaledonicum | Orchidaceae | |
| Gevuina bleasdalei | Bleasdalea bleasdalei | Proteaceae | |
| Gevuina bleasdalei | Grevillea bleasdalei | Proteaceae | |
| Glochidion spp. | Glochidion spp. | Euphorbiaceae | Phyllanthaceae |
| Glossocardia bidens | Glossogyne tenuifolia | Asteraceae | |
| Glossocarya coriacea | Clerodendron hemiderma | Verbenaceae | Lamiaceae |
| Glycine pescadrensis | Glycine pacifica | Fabaceae | |
| Glycine pescadrensis | Glycine tabacina | Fabaceae | |
| Glycine stenophita | Glycine sp. Dalby | Fabaceae | |
| Glycosmis trifoliata | Glycosmis pentaphylla | Rutaceae | |
| Gmelina spp. | Gmelina spp. | Verbenaceae | Lamiaceae |
| Gomphandra australiana | Gomphandra australiana | Icacinaceae | Stemonuraceae |
| Gompholobium aspalathoides | Gompholobium virgatum v. aspalathoides | Fabaceae | |
| Goniophlebium percussum | Cyathea percussa | Polypodiaceae | |
| Goniophlebium percussum | Goniophlebium verrucosum | Polypodiaceae | |
| Goniophlebium percussum | Schellolepis percussa | Polypodiaceae | |
| Goniophlebium percussum | Schellolepis verrucosa | Polypodiaceae | |
| Goniophlebium subauriculatum | Polypodium subauriculatum | Polypodiaceae | |
| Goniophlebium subauriculatum | Schellolepis subauriculata | Polypodiaceae | |
| Gonocarpus hirtus | Gonocarpus sp. Mt. Moon | Haloragaceae | |
| Goodenia atriplexifolia | Goodenia sp. Stonehenge | Goodeniaceae | |
| Goodenia bellidifolia ssp. argentea | Goodenia (new subsp.) | Goodeniaceae | |
| Goodenia debilis | Goodenia sp. Welcome Creek | Goodeniaceae | |
| Goodenia expansa | Goodenia sp. Cuddapan Station | Goodeniaceae | |
| Goodenia heterophylla v. teucriifolia | Goodenia teucriifolia | Goodeniaceae | |
| Goodenia scaevolina | Goodenia scaevolina ssp. scaevolina | Goodeniaceae | |
| Goodenia splendida | Goodenia sp. Q15 (aff. scaevolina) | Goodeniaceae | |
| Goodenia splendida | Goodenia sp. Yarrowmere | Goodeniaceae | |
| Gossia acmenoides | Austromyrtus acmenoides | Myrtaceae | |
| Gossia bamagensis | Austromyrtus sp. Bamaga | Myrtaceae | |
| Gossia bamagensis | Austromyrtus sp. Q4 (Bamaga) | Myrtaceae | |
| Gossia bidwillii | Austromyrtus bidwillii | Myrtaceae | |
| Gossia bidwillii | Austromyrtus racemulosa | Myrtaceae | |
| Gossia bidwillii | Austromyrtus sp. Danbulla | Myrtaceae | |
| Gossia bidwillii | Austromyrtus sp. Forty Mile Scrub | Myrtaceae | |
| Gossia bidwillii | Austromyrtus sp. Q1 | Myrtaceae | |
| Gossia bidwillii | Austromyrtus sp. Spencer Creek | Myrtaceae | |
| Gossia byrnesii | Austromyrtus sp. Isabella Falls | Myrtaceae | |
| Gossia byrnesii | Austromyrtus sp. Q16 (Isabella Falls) | Myrtaceae | |
| Gossia dallachiana | Austromyrtus dallachyana | Myrtaceae | |
| Gossia floribunda | Austromyrtus floribunda | Myrtaceae | |
| Gossia floribunda | Austromyrtus sp. Claudie River | Myrtaceae | |
| Gossia floribunda | Austromyrtus sp. Q3 (Claudie R.) | Myrtaceae | |
| Gossia fragrantissima | Austromyrtus fragrantissima | Myrtaceae | |
| Gossia gonoclada | Austromyrtus gonoclada | Myrtaceae | |
| Gossia grayi | Austromyrtus sp. Gillies | Myrtaceae | |
| Gossia hillii | Austromyrtus hillii | Myrtaceae | |
| Gossia inophloia | Austromyrtus inophloia | Myrtaceae | |
| Gossia lewisensis | Austromyrtus sp. Mt. Lewis | Myrtaceae | |
| Gossia lewisensis | Austromyrtus sp. Q12 (acuminata ms.) | Myrtaceae | |
| Gossia lewisensis | Austromyrtus sp. Q5 (Mt. Lewis) | Myrtaceae | |
| Gossia lucida | Austromyrtus lucida | Myrtaceae | |
| Gossia macilwraithensis | Austromyrtus sp. McIlwraith Ra | Myrtaceae | |
| Gossia macilwraithensis | Austromyrtus sp. Q9 (McIlwraith Range) | Myrtaceae | |
| Gossia myrsinocarpa | Austromyrtus minutiflora | Myrtaceae | |
| Gossia pubiflora | Austromyrtus pubiflora | Myrtaceae | |
| Gossia punctata | Austromyrtus sp. aff. hillii | Myrtaceae | |
| Gossia punctata | Austromyrtus sp. Brookfield | Myrtaceae | |
| Gossia punctata | Austromyrtus sp. Q8 (aff. hillii) | Myrtaceae | |
| Gossia retusa | Austromyrtus sp. Cape Flattery | Myrtaceae | |
| Gossia retusa | Austromyrtus sp. Q13 (Cape Flattery) | Myrtaceae | |
| Gossia sankowskiorum | Austromyrtus sp. Byerstown Ra. | Myrtaceae | |
| Gossia sankowskiorum | Austromyrtus sp. Q2 (Bakers Blue-Byerstown Range) | Myrtaceae | |
| Gossia shepherdii | Austromyrtus shepherdii | Myrtaceae | |
| Gossia shepherdii | Austromyrtus sp. Q15 (Windsor Tableland) | Myrtaceae | |
| Gossia shepherdii | Austromyrtus sp. Windsor Tableland | Myrtaceae | |
| Gossia sp. | Austromyrtus sp. Q14 (Lizard) | Myrtaceae | |
| Gossia sp. Lizard Island | Austromyrtus sp. Lizard Island | Myrtaceae | |
| Grahamia australiana | Anacampseros australiana | Portulacaceae | |
| Grammitis albosetosa | Oreogrammitis albosetosa | Grammitidaceae | |
| Grammitis albosetosa | Polypodium albosetosum | Polypodiaceae | Grammitidaceae |
| Grammitis billardierei | Grammitis meridionalis | Grammitidaceae | |
| Grammitis leonardii | Oreogrammitis leonardii | Grammitidaceae | |
| Grammitis queenslandica | Oreogrammitis queenslandica | Grammitidaceae | |
| Grammitis reinwardtii | Oreogrammitis reinwardtii | Grammitidaceae | |
| Grammitis wurunuran | Oreogrammitis wurunuran | Grammitidaceae | |
| Graptophyllum excelsum (included in) | Graptophyllum thorogoodii | Acanthaceae | |
| Graptophyllum reticulatum | Graptophyllum (new species) | Acanthaceae | |
| Grastidium cancroides | Dendrobium cancroides | Orchidaceae | |
| Grastidium insigne | Dendrobium insigne | Orchidaceae | |
| Grastidium insigne | Dichopus insignis | Orchidaceae | |
| Grastidium luteocilium | Dendrobium luteocilium | Orchidaceae | |
| Grastidium tozerense | Dendrobium tozerensis | Orchidaceae | |
| Gratwickia monochaeta | Helichrysum monochaetum | Asteraceae | |
| Grevillea decora | Grevillea goodei ssp. decora | Proteaceae | |
| Grevillea floribunda ssp. tenella | Grevillea sp. Manar | Proteaceae | |
| Grevillea hockingsii | Grevillea sp. Coominglah | Proteaceae | |
| Grevillea hodgei | Grevillea sp. Coochin Hills | Proteaceae | |
| Grevillea whiteana | Grevillea sp. Mundubbera | Proteaceae | |
| Grewia graniticola | Grewia sp. Q1. | Tiliaceae | Sparrmanniaceae |
| Grewia spp. | Grewia spp. | Tiliaceae | Sparrmanniaceae |
| Guilfoylia monostylis | Guilfoylia monostylis | Simaroubaceae | Surianaceae |
| Guioa sarcopterifructa | Guioa crenifolia | Sapindaceae | |
| Guioa sarcopterifructa | Guioa sp. Mt. Misery | Sapindaceae | |
| Gymnanthera cunninghamii | Gymnanthera fruticosa | Asclepiadaceae | Apocynaceae |
| Gymnanthera oblonga | Gymnanthera nitida | Asclepiadaceae | Apocynaceae |
| Gynochtodes oresbia | Gynochtodes sp. Lamb Range | Rubiaceae | |
| Gynochtodes oresbia | Morinda sp. Black Leaves BG | Rubiaceae | |
| Gynochtodes oresbia | Morinda sp. Mt. Finnigan | Rubiaceae | |
| Gynochtodes sessilis | Gynochtodes sp. Hinchinbrook Island | Rubiaceae | |
| Gypsophila australis | Gypsophila tubulosa (auct.non. [Jaub.& Spach] Boiss. | Caryophyllaceae | |
| H | TOP | ||
| Hakea actites | Hakea sp. aff. sericea | Proteaceae | |
| Hakea actites | Hakea sp. Mt. Coolum | Proteaceae | |
| Hakea actites | Hakea sp.2 in Stanley & Ross | Proteaceae | |
| Hakea divaricata | Hakea ivoryi var. glabrescens | Proteaceae | |
| Hakea laevipes ssp. graniticola | Hakea dactyloides | Proteaceae | |
| Hakea lorea ssp. lorea | Hakea fraseri | Proteaceae | |
| Hakea lorea ssp. lorea | Hakea lorea (Qld. species) | Proteaceae | |
| Hakea lorea ssp. lorea | Hakea suberea | Proteaceae | |
| Hakea maconochieana | Hakea sp. aff. gibbosa | Proteaceae | |
| Hakea maconochieana | Hakea sp. Ambathala Range | Proteaceae | |
| Hakea maconochieana | Hakea sp. Wellclose Station | Proteaceae | |
| Halophila capricorni | Halophila decipiens (in part) | Hydrocharitaceae | |
| Hanguana malayana | Hanguana malayana | Flagellariaceae | Hanguanaceae |
| Hannafordia spp. | Hannafordia spp. | Sterculiaceae | Byttneriaceae |
| Hanslia ormocarpoides | Desmodium ormocarpoides | Fabaceae | |
| Hanslia ormocarpoides | Hanslia adhaerens | Fabaceae | |
| Haplostichanthus fruticosus | Haplostichanthus sp. Rocky River | Annonaceae | |
| Haplostichanthus ramiflorus | Haplostichanthus sp. Cooper Creek | Annonaceae | |
| Haplostichanthus rufescens | Haplostichanthus sp. Johnstone River | Annonaceae | |
| Haplostichanthus submontanus ssp. sessiliflorus | Haplostichanthus sp. Topaz | Annonaceae | |
| Haplostichanthus submontanus ssp. submontanus | Haplostichanthus sp. Mt. Finnigan | Annonaceae | |
| Harmogia densifolia | Babingtonia densifolia | Myrtaceae | |
| Harmogia densifolia | Baeckea densifolia | Myrtaceae | |
| Harmsiodoxa brevipes var. brevipes | Harmsiodoxa brevipes var. brevipes (new record for Qld.) | Brassicaceae | |
| Harnieria hygrophilioides | Justicia hygrophilioides | Acanthaceae | |
| Harrisonia brownii | Harrisonia brownii | Rutaceae | Ptaeroxylaceae |
| Hedypnois rhagadioloides ssp. cretica* | Hedypnois cretica* | Asteraceae | |
| Hedypnois rhagadioloides ssp. rhagadioloides* | Hedypnois cretica (new ssp. for Qld.)* | Asteraceae | |
| Heliconia spp. | Heliconia spp. | Musaceae | Heliconiaceae |
| Helicteres spp. | Helicteres spp. | Sterculiaceae | Helicteraceae |
| Heliotropium aequoreum | Heliotropium sp. Cloncurry | Boraginaceae | |
| Heliotropium muelleri | Tournefortia muelleri | Boraginaceae | |
| Heliotropium sarmentosum | Tournefortia sarmentosa | Boraginaceae | |
| Hemmantia webbii | Gen. Nov. Mt. Hemmant | Monimiaceae | |
| Hibbertia araneolifera | Hibbertia sp. Mt. Tozer | Dilleniaceae | |
| Hibbertia stelligera | Hibbertia stirlingii f. stelligera | Dilleniaceae | |
| Hibbertia stirlingii | Hibbertia stirlingii f. squamulosa | Dilleniaceae | |
| Hibbertia stirlingii | Hibbertia stirlingii f. stirlingii | Dilleniaceae | |
| Hibbertia tenuifolia | Hibbertia sp. Wyberba | Dilleniaceae | |
| Hibiscus divaricatus | Hibiscus heterophyllus ssp. luteus | Malvaceae | |
| Hibiscus forsteri | Hibiscus sp. Hope Vale | Malvaceae | |
| Hibiscus saponarius | Hibiscus sp. Glen Garland | Malvaceae | |
| Hippocratea barbata | Loeseneriella barbata | Hippocrateaceae | Celastraceae |
| Hollandaea riparia | Hollandaea sp. Roaring Meg | Proteaceae | |
| Homalanthus (now preferred spelling) | Omalanthus | Euphorbiaceae | |
| Homalanthus novoguineensis | Omalanthus novoguineensis | Euphorbiaceae | |
| Homalanthus nutans | Homalanthus populifolius | Euphorbiaceae | |
| Homalanthus nutans | Omalanthus nutans | Euphorbiaceae | |
| Homalanthus nutans | Omalanthus populifolius | Euphorbiaceae | |
| Homalanthus stillingiifolius | Omalanthus stillingiifolius | Euphorbiaceae | |
| Hordeum distichon | Hordeum vulgare ssp. distichon | Poaceae | |
| Hovea angustissima | Hovea sp. Eidsvold | Fabaceae | |
| Hovea apiculata | Hovea sp. Mt. Moffatt | Fabaceae | |
| Hovea apiculata | Hovea sp. Wallangra | Fabaceae | |
| Hovea clavata | Hovea sp. Deepwater | Fabaceae | |
| Hovea densivellosa | Hovea sp. Ingham | Fabaceae | |
| Hovea graniticola | Hovea sp. Girraween NP | Fabaceae | |
| Hovea heterophylla | Hovea linearis (in part) | Fabaceae | |
| Hovea heterophylla | Hovea sp. Armidale | Fabaceae | |
| Hovea impressinerva | Hovea sp. Mt. French | Fabaceae | |
| Hovea lorata | Hovea sp. Carnarvon Range | Fabaceae | |
| Hovea lorata | Hovea sp. Dalby | Fabaceae | |
| Hovea lorata | Hovea sp. Murphy's Creek | Fabaceae | |
| Hovea nana | Hovea sp. Irvinebank | Fabaceae | |
| Hovea nitida | Hovea sp. Atherton | Fabaceae | |
| Hovea pannosa | Hovea longifolia v. pannosa | Fabaceae | |
| Hovea parvicalyx | Hovea sp. Narrien Range | Fabaceae | |
| Hovea pedunculata | Hovea sp. Cathedral Rock | Fabaceae | |
| Hovea ramulosa | Hovea sp. Helidon | Fabaceae | |
| Hovea similis | Hovea sp. Mt. Ballow | Fabaceae | |
| Hovea similis | Hovea sp. Mt. Ernest | Fabaceae | |
| Hovea tholiformis | Hovea sp. Dawson Range | Fabaceae | |
| Hoya anulata | Hoya alata | Asclepiadaceae | Apocynaceae |
| Hoya anulata | Hoya gracilipes | Asclepiadaceae | Apocynaceae |
| Hoya anulata | Hoya pseudolittoralis | Asclepiadaceae | Apocynaceae |
| Hoya australis ssp. australis | Hoya dalrympleana | Asclepiadaceae | Apocynaceae |
| Hoya australis ssp. australis | Hoya keysii | Asclepiadaceae | Apocynaceae |
| Hoya australis ssp. tenuipes | Hoya oligotricha ssp. tenuipes | Asclepiadaceae | Apocynaceae |
| Hoya pottsii | Hoya nicholsoniae | Asclepiadaceae | Apocynaceae |
| Hoya revoluta | Hoya littoralis | Asclepiadaceae | Apocynaceae |
| Hoya sussuela | Hoya lauterbachii | Asclepiadaceae | Apocynaceae |
| Hoya sussuela | Hoya rubida | Asclepiadaceae | Apocynaceae |
| Hugonia jenkensii | Hugonia jenkensii | Linaceae | Hugoniaceae |
| Humidicutis bagleyi | Hygrocybe bagleyi | Basisiomycota | |
| Humidicutis bagleyi | Hygrocybe sp. Binna Burra | Basisiomycota | |
| Humidicutis lewelliniae | Hygrocybe lewelliniae | Basisiomycota | |
| Humidicutis lewelliniae | Hygrophorus lewelliniae | Basisiomycota | |
| Humidicutis mavis | Hygrocybe mavis | Basisiomycota | |
| Huperzia carinata | Lycopodium carinatum | Lycopodiaceae | |
| Huperzia dalhousieana | Lycopodium dalhousianum | Lycopodiaceae | |
| Huperzia lockyeri | Lycopodium lockyeri | Lycopodiaceae | |
| Huperzia marsupiiformis | Lycopodium marsupiiforme | Lycopodiaceae | |
| Huperzia phlegmaria | Lycopodium phlegmaria | Lycopodiaceae | |
| Huperzia phlegmarioides | Lycopodium phlegmarioides | Lycopodiaceae | |
| Huperzia prolifera | Lycopodium proliferum | Lycopodiaceae | |
| Huperzia squarrosa | Lycopodium squarrosum | Lycopodiaceae | |
| Huperzia tetrastichoides | Huperzia prolifera. | Lycopodiaceae | |
| Huperzia varia | Lycopodium myrtifolium | Lycopodiaceae | |
| Hyalosperma glutinosum ssp. glutinosum | Helipterum hyalospermum | Asteraceae | |
| Hyalosperma semisterile | Helipterum jessenii | Asteraceae | |
| Hybanthus stellarioides | Hybanthus enneaspermus v. stellarioides | Violaceae | |
| Hydriastele costata | Gulubia costata | Arecaceae | |
| Hydriastele ramsayi | Gronophyllum ramsayi | Arecaceae | |
| Hydriastele ramsayi | Gulubia ramsayi | Arecaceae | |
| Hydrocotyle spp. | Hydrocotyle spp. | Apiaceae | Araliaceae |
| Hydrocotyle tumida | Hydrocotyle pyriformis | Apiaceae | Araliaceae |
| Hydrocotyle tumida | Hydrocotyle sp. Q2 (pyriformis) | Apiaceae | Araliaceae |
| Hydrocotyle tumida | Hydrocotyle sp. Strathmay | Apiaceae | Araliaceae |
| Hydrolea zeylanica | Hydrolea zeylanica | Hydrophyllaceae | Hydroleaceae |
| Hygrochloa cravenii* | Hygrochloa cravenii* (new recorded for Qld.) | Poaceae | |
| Hymenophyllum digitatum | Crepidomanes digitatum | Hymenophyllaceae | |
| Hymenophyllum digitatum | Trichomanes digitatum | Hymenophyllaceae | |
| Hymenophyllum pallidum | Crepidomanes pallidum | Hymenophyllaceae | |
| Hymenophyllum pallidum | Trichomanes pallidum | Hymenophyllaceae | |
| Hypericum perforatum ssp. veronense | Hypericum perforatum - in Qld. | Clusiaceae | |
| Hypochaeris albiflora* | Hypochaeris microcephala v. albiflora* | Asteraceae | |
| Hypoxis spp. | Hypoxis spp. | Liliaceae | Hypoxidaceae |
| I | TOP | ||
| Indigofera elachantha | Indigofera sp. Duck Holes Creek | Fabaceae | |
| Indigofera polyclada | Indigofera sp. Weipa | Fabaceae | |
| Iotasperma australiense | Erigeron ambiguus | Asteraceae | |
| Iphigenia spp. | Iphigenia spp. | Liliaceae | Colchicaceae |
| Ipomoea gracilis v. sagittata | Ipomoea sp. Lake Buchanan | Convolvulaceae | |
| Iris domestica* | Belamcanda chinensis* | Iridaceae | |
| Irvingbaileya australis | Irvingbaileya australis | Icacinaceae | Stemonuraceae |
| Isachne minutula | Isachne pulchella (auct.non. Roth ex Roem.& Schult.) | Poaceae | |
| Isolepis fluitans | Scirpus fluitans | Cyperaceae | |
| Isolepis nodosa | Scirpus nodosus | Cyperaceae | |
| Ixora oreogena | Ixora sp. N. Mary L.A. | Rubiaceae | |
| J | TOP | ||
| Jacksonia lateritica | Jacksonia sp. Mount Isa | Fabaceae | |
| Jacksonia quinkanensis | Jacksonia sp. Laura | Fabaceae | |
| Jagera madida | Jagera javanica (auct.non. [Blume] Blume ex Kalkman0 | Sapindaceae | |
| Jagera madida | Jagera javanica ssp. australiana | Sapindaceae | |
| Jagera madida | Jagera serrata (auct.non.[Roxb.]Radlk.) | Sapindaceae | |
| Jasminum dallachii | Jasminum didymum ssp. dallachii | Oleaceae | |
| Jasminum didymum ssp. lineare | Jasminum lineare | Oleaceae | |
| Jasminum jenniae | Jasminum sp. Beechmont | Oleaceae | |
| Jasminum longipetalum | Jasminum arenicola | Oleaceae | |
| Jasminum longipetalum | Jasminum sp. Jardine River | Oleaceae | |
| Jasminum longipetalum | Jasminum turneri | Oleaceae | |
| Jasminum suavissimum | Jasminum simplicifolium ssp. suavissimum | Oleaceae | |
| Juncus firmus | Juncus sp. D1. | Juncaceae | |
| Juncus holoschoenus | Juncus microcephalus. | Juncaceae | |
| Juncus ochrocoleus | Juncus sp. H. | Juncaceae | |
| Juncus psammophilus | Juncus sp. Q. | Juncaceae | |
| Juncus remotiflorus | Juncus sp. A. | Juncaceae | |
| Juncus subglaucus | Juncus sp. U. | Juncaceae | |
| K | TOP | ||
| Kardomia granitica | Babingtonia granitica | Myrtaceae | |
| Kardomia granitica | Baeckea sp. Wyberba / sp.3 in Stanley & Ross | Myrtaceae | |
| Kardomia jucunda | Babingtonia jucunda | Myrtaceae | |
| Kardomia jucunda | Baeckea jucunda | Myrtaceae | |
| Kardomia silvestris | Babingtonia silvestris | Myrtaceae | |
| Kardomia silvestris | Baeckea sp. Bald Mt. | Myrtaceae | |
| Kardomia squarrulosa | Babingtonia squarrulosa | Myrtaceae | |
| Kardomia squarrulosa | Baeckea squarrulosa | Myrtaceae | |
| Keraudrenia hookeriana | Keraudrenia sp. Hannaford | Sterculiaceae | Byttneriaceae |
| Keraudrenia hookeriana | Seringia hookeriana | Sterculiaceae | Byttneriaceae |
| Keraudrenia spp. | Keraudrenia spp. | Sterculiaceae | Byttneriaceae |
| Kleinhovia hospita | Kleinhovia hospita | Sterculiaceae | Byttneriaceae |
| Koelreutaria elegans ssp. formosana* | Koelreutaria elegans* (in Aust.) | Sapindaceae | |
| Kuntheria pedunculata | Kuntheria pedunculata | Liliaceae | Convallariaceae |
| Kunzea ericoides | Leptospermum phylicoides | Myrtaceae | |
| L | TOP | ||
| Lachnagrostis aemula | Agrostis aemula | Poaceae | |
| Lachnagrostis aemula | Agrostis aemula v. aemula | Poaceae | |
| Lachnagrostis filiformis | Agrostis avenacea | Poaceae | |
| Lachnagrostis filiformis | Agrostis avenacea v. avenacea | Poaceae | |
| Lachnagrostis filiformis | Agrostis avenacea v. perennis | Poaceae | |
| Lachnagrostis filiformis | Agrostis retrofracta | Poaceae | |
| Lagunaria queenslandica | Lagunaria patersonii | Malvaceae | |
| Lagunaria queenslandica | Lagunaria patersonii ssp. bracteata | Malvaceae | |
| Lagunaria queenslandica | Lagunaria patersonii v. bracteata | Malvaceae | |
| Lasianthus hirsutus | Lasianthus cyanocarpus (auct.non Jack) | Rubiaceae | |
| Lasianthus kurzii v. kurzii | Lasianthus strigosus (auct.non Wight) | Rubiaceae | |
| Lasiopetalum spp. | Lasiopetalum spp. | Sterculiaceae | Byttneriaceae |
| Lasjia claudiensis | Macadamia claudiensis | Proteaceae | |
| Lasjia grandis | Macadamia grandis | Proteaceae | |
| Lasjia whelanii | Helicia whelanii | Proteaceae | |
| Lasjia whelanii | Macadamia whelanii | Proteaceae | |
| Leea spp. | Leea spp. | Leeaceae | Vitaceae |
| Leiocarpa brevicompta | Ixiolaena brevicompta | Asteraceae | |
| Leiocarpa leptolepis | Ixiolaena chloroleuca | Asteraceae | |
| Leiocarpa leptolepis | Ixiolaena leptolepis | Asteraceae | |
| Leiocarpa panaetioides | Ixiolaena sp.Q1(aff. tomentosa) | Asteraceae | |
| Leiocarpa panaetioides | Leptorhynchos panaetioides | Asteraceae | |
| Leiocarpa semicalva | Chrysocephalum semicalvum | Asteraceae | |
| Leiocarpa semicalva | Helichrysum ambiguum | Asteraceae | |
| Leiocarpa semicalva | Helichrysum ambiguum ssp. ambiguum | Asteraceae | |
| Leiocarpa semicalva | Helichrysum semicalvum | Asteraceae | |
| Leiocarpa semicalva ssp. semicalva | Chrysocephalum semicalvum ssp. semicalvum | Asteraceae | |
| Leionema ambiens | Eriostemon ambiens | Rutaceae | |
| Leionema ambiens | Phebalium ambiens | Rutaceae | |
| Leionema elatius | Eriostemon elatior | Rutaceae | |
| Leionema elatius | Phebalium elatius | Rutaceae | |
| Leionema elatius ssp. beckleri | Eriostemon beckleri | Rutaceae | |
| Leionema elatius ssp. beckleri | Phebalium beckleri | Rutaceae | |
| Leionema elatius ssp. beckleri | Phebalium sp. Mt. Lindesay | Rutaceae | |
| Leionema ellipticum | Phebalium sp. Mt. Finnigan | Rutaceae | |
| Leionema gracile | Phebalium gracile | Rutaceae | |
| Leionema obtusifolium | Phebalium obtusifolium | Rutaceae | |
| Leionema rotundifolium | Eriostemon rotundifolium | Rutaceae | |
| Leionema rotundifolium | Phebalium rotundifolium | Rutaceae | |
| Lemna spp. | Lemna spp. | Lemnaceae | Araceae |
| Lenwebbia lasioclada | Austromyrtus lasioclada | Myrtaceae | |
| Lenwebbia lasioclada | Austromyrtus sp. Q6 (Blackall Range) | Myrtaceae | |
| Lenwebbia prominens | Austromyrtus sp. aff. lasioclada (Border Ranges) | Myrtaceae | |
| Lenwebbia prominens | Austromyrtus sp. Upper Mudgeeraba Creek | Myrtaceae | |
| Lenwebbia prominens | Gen.(Aq377881) sp. Upper Mudgeeraba Creek | Myrtaceae | |
| Lenwebbia prominens | Q1 (aff. Austromyrtus) sp. Q1 (aff. lasioclada - Border Ra.) | Myrtaceae | |
| Lepidium didymum* | Coronopus didymus* | Brassicaceae | |
| Lepidium didymum* | Coronopus pinnatifida* | Brassicaceae | |
| Lepidium didymum* | Senebiera didyma* | Brassicaceae | |
| Lepidium draba* | Cardaria draba* | Brassicaceae | |
| Lepidosperma clipeicolia | Lepidosperma sp. Q2. | Cyperaceae | |
| Lepidosperma laterale | Lepidosperma lineare (in part) | Cyperaceae | |
| Lepilaena spp. | Lepilaena spp. | Zannichelliaceae | Potamogetonaceae |
| Leptochloa southwoodii | Leptochloa sp. Southwood | Poaceae | |
| Leptopus decaisnei | Leptopus decaisnei | Euphorbiaceae | Phyllanthaceae |
| Leptorhynchos squamatus ssp. squamatus | Leptorhynchos squamatus (in Qld.) | Asteraceae | |
| Leptospermum amboinense | Leptospermum petersonii ssp. lanceolatum | Myrtaceae | |
| Leptospermum madidum ssp. madidum | Leptospermum longifolium (in Qld.) | Myrtaceae | |
| Leptospermum polygalifolium | Leptospermum flavescens | Myrtaceae | |
| Leptospermum trinervium | Leptospermum attenuatum | Myrtaceae | |
| Leptospermum trinervium | Leptospermum stellatum | Myrtaceae | |
| Lepturus copeanus | Lepturus sp. Mataranka | Poaceae | |
| Lepturus minutus | Lepturus sp. Chillagoe | Poaceae | |
| Lepturus repens | Lepturus repens ssp. repens | Poaceae | |
| Lepturus repens | Lepturus repens ssp. stoddartii | Poaceae | |
| Lepturus repens | Lepturus repens v. repens | Poaceae | |
| Lepturus repens ssp. stoddartii | Lepturus stoddartii | Poaceae | |
| Leucas lavendulifolia* | Leucas linifolia* | Lamiaceae | |
| Leucochrysum albicans | Helipterum albicans | Asteraceae | |
| Leucochrysum molle | Helipterum molle | Asteraceae | |
| Leucochrysum stipitatum | Helichrysum stipitatum | Asteraceae | |
| Leucochrysum stipitatum | Helipterum stipitatum | Asteraceae | |
| Leucopogon blakei | Leucopogon sp. Carnarvon Range | Epacridaceae | Ericaceae |
| Leucopogon malayanus ssp. novoguineensis | Styphelia malayana v. novoguineensis | Epacridaceae | Ericaceae |
| Leucopogon spathaceus | Leucopogon sp. Mt. Mulligan | Epacridaceae | Ericaceae |
| Leucopogon spp. | Leucopogon spp. | Epacridaceae | Ericaceae |
| Leucopogon trichostylus | Leucopogon sp. aff. biflorus | Epacridaceae | Ericaceae |
| Leucopogon trichostylus | Leucopogon sp. aff. fraseri | Epacridaceae | Ericaceae |
| Licuala ramsayi v. ramsayi | Licuala ramsayi | Arecaceae | |
| Licuala ramsayi v. tuckeri | Licuala ramsayi ssp. Pajinka Lodge | Arecaceae | |
| Licuala ramsayi v. tuckeri | Licuala sp. McIlwraith Range | Arecaceae | |
| Lilaeopsis brisbanica | Lilaeopsis sp. Brisbane River | Apiaceae | |
| Lindsaea agatii | Lindsaea ensifolia ssp. agatii | Lindsaeaceae | |
| Lindsaea agatii | Schizoloma agatii | Lindsaeaceae | |
| Linospadix apetiolata | Linospadix sp. Mt. Lewis | Arecaceae | |
| Linospadix minor | Linospadix sp. Mossman | Arecaceae | |
| Liparis angustilabris | Sturmia angustilabris | Orchidaceae | |
| Liparis petricola | Diteilis petricola | Orchidaceae | |
| Liparophyllum exaltatum | Villarsia exaltata | Menyanthaceae | |
| Lissanthe brevistyla | Acrotriche sp. Marlborough | Epacridaceae | Ericaceae |
| Lissanthe brevistyla | Lissanthe sp. Marlborough | Epacridaceae | Ericaceae |
| Lissanthe pluriloculata | Leucopogon pluriloculatus | Epacridaceae | Ericaceae |
| Lissanthe pluriloculata | Styphelia pluriloculata | Epacridaceae | Ericaceae |
| Lissanthe spp. | Lissanthe spp. | Epacridaceae | Ericaceae |
| Lithomyrtus hypoleuca | Gen. nov. sp. Doomadgee | Myrtaceae | |
| Lithomyrtus microphylla | Fenzlia microphylla | Myrtaceae | |
| Lithomyrtus microphylla | Fenzlia obtusa v. microphylla | Myrtaceae | |
| Lithomyrtus microphylla | Myrtella microphylla | Myrtaceae | |
| Lithomyrtus obtusa | Fenzlia obtusa | Myrtaceae | |
| Lithomyrtus obtusa | Myrtella obtusa | Myrtaceae | |
| Lithomyrtus retusa | Fenzlia phebalioides | Myrtaceae | |
| Lithomyrtus retusa | Fenzlia retusa | Myrtaceae | |
| Lithomyrtus retusa | Myrtella phebalioides | Myrtaceae | |
| Lithomyrtus retusa | Myrtella retusa | Myrtaceae | |
| Litsea australis | Litsea leefeana (Gympie south) | Lauraceae | |
| Litsea bennettii | Litsea sp. Bellenden Ker | Lauraceae | |
| Litsea fawcettiana | Cylicodaphne fawcettiana | Lauraceae | |
| Litsea fawcettiana | Litsea reticulata (lowland central Qld.) | Lauraceae | |
| Litsea granitica | Litsea sp. Mt. Lewis | Lauraceae | |
| Livistona concinna | Livistona sp. Barrett's Creek | Arecaceae | |
| Livistona decora | Corypha decora | Arecaceae | |
| Livistona decora | Livistona decipiens | Arecaceae | |
| Livistona fulva | Livistona sp. Blackdown Tableland | Arecaceae | |
| Livistona lanuginosa | Livistona sp. Cape River | Arecaceae | |
| Livistona nasmophila | Livistona mariae ssp. occidentalis | Arecaceae | |
| Livistona nitida | Livistona sp. Carnarvon & Taroom | Arecaceae | |
| Livistona rigida | Livistona mariae ssp. rigida | Arecaceae | |
| Livistona sp. Eungella | Livistona sp. Paluma Range | Arecaceae | |
| Lobelia andrewsii | Lobelia gracilis | Campanulaceae | |
| Lobelia darlingensis | Pratia darlingensis | Campanulaceae | |
| Lobelia darlingensis | Pratia sp. Q1 (aff. puberula) | Campanulaceae | |
| Lobelia gibbosa v. browniana | Lobelia browniana | Campanulaceae | |
| Lobelia gibbosa v. gibbosa | Lobelia gibbosa | Campanulaceae | |
| Lomandra spp. | Lomandra spp. | Xanthorrhoeaceae | Laxmanniaceae |
| Lophostemon confertus | Tristania conferta | Myrtaceae | |
| Lophostemon grandiflorus | Tristania grandiflora | Myrtaceae | |
| Lophostemon suaveolens | Tristania suaveolens | Myrtaceae | |
| Lotus subbiflorus* | Lotus suaveolens* | Fabaceae | |
| Ludwigia repens* | Ludwigia palustris* - of authors other than (L.) Elliott | Onagraceae | |
| Luffa aegyptiaca | Luffa cylindrica | Cucurbitaceae | |
| Luisia atacta | Luisia teretifolia (auct.non Gaud.) | Orchidaceae | |
| Lycianthes shanesii | Solanum shanesii | Solanaceae | |
| Lycopodiella cernua | Lycopodium cernuum | Lycopodiaceae | |
| Lycopodiella lateralis | Lycopodium laterale | Lycopodiaceae | |
| Lycopodiella serpentina | Lycopodium serpentinum | Lycopodiaceae | |
| Lysimachia arvensis* | Anagallis arvensis* | Myrsinaceae | |
| Lysimachia ovalis | Anagallis pumila | Myrsinaceae | |
| M | TOP | ||
| Mackinlaya spp. | Mackinlaya spp. | Araliaceae | Apiaceae |
| Macrozamia cardiacensis | Macrozamia sp. Mt. Walsh | Zamiaceae | |
| Macrozamia conferta | Macrozamia sp. Warwick | Zamiaceae | |
| Macrozamia cranei | Macrozamia sp. Texas | Zamiaceae | |
| Macrozamia crassifolia | Macrozamia sp. Mundubbera | Zamiaceae | |
| Macrozamia longispina | Macrozamia sp. Wrattens | Zamiaceae | |
| Macrozamia occidua | Macrozamia sp. Sundown | Zamiaceae | |
| Macrozamia serpentina | Macrozamia sp. Marlborough | Zamiaceae | |
| Macrozamia serpentina | Macrozamia sp.Q10 (Marlborough) | Zamiaceae | |
| Macrozamia viridis | Macrozamia sp. Wyberba | Zamiaceae | |
| Mallotus dispersus | Mallotus didymochryseus | Euphorbiaceae | |
| Mallotus dispersus | Mallotus sp. Cape York | Euphorbiaceae | |
| Mallotus megadontus | Mallotus angustifolius | Euphorbiaceae | |
| Mallotus megadontus | Mallotus claoxyloides v. angustifolius | Euphorbiaceae | |
| Mallotus megadontus | Mallotus sp. Mt. Cooroy | Euphorbiaceae | |
| Mallotus megadontus | Mallotus sp. Q1 aff. nesophilus | Euphorbiaceae | |
| Mallotus megadontus | Mallotus sp. Q2 aff. claoxyloides | Euphorbiaceae | |
| Mallotus surculosus | Mallotus sp. aff. mollissimus | Euphorbiaceae | |
| Mallotus surculosus | Mallotus sp. Claudie River | Euphorbiaceae | |
| Mallotus surculosus | Mallotus sp. Q3 | Euphorbiaceae | |
| Malva preissiana | Lavatera plebeia | Malvaceae | |
| Malva preissiana | Malva australiana | Malvaceae | |
| Malva preissiana | Malva behriana | Malvaceae | |
| Marattia oreades | Marattia salicina (in Aust.) | Marattiaceae | |
| Margaritaria spp | Margaritaria spp. | Euphorbiaceae | Phyllanthaceae |
| Marsdenia brevifolia | Gymnema brevifolium | Asclepiadaceae | Apocynaceae |
| Marsdenia geminata | Gymnema geminatum | Asclepiadaceae | Apocynaceae |
| Marsdenia jensenii | Marsdenia sp. Yeti Ridge | Asclepiadaceae | Apocynaceae |
| Marsdenia micradenia | Gymnema micradenium | Asclepiadaceae | Apocynaceae |
| Marsdenia muelleri | Gymnema muelleri | Asclepiadaceae | Apocynaceae |
| Marsdenia pleiadenia | Gymnema dunnii | Asclepiadaceae | Apocynaceae |
| Marsdenia pleiadenia | Gymnema pleiadenium | Asclepiadaceae | Apocynaceae |
| Marsdenia tricholepis | Gymnema tricholepis | Asclepiadaceae | Apocynaceae |
| Megahertzia amplexicaulis | Orites sp. Mt. Hemmant | Proteaceae | |
| Meiogyne cylindrocarpa | Mitrephora cylindrocarpa | Annonaceae | |
| Meiogyne cylindrocarpa | Polyaulax cylindrocarpa | Annonaceae | |
| Meiogyne cylindrocarpa ssp. trichocarpa | Meiogyne sp. Tingle Scrub | Annonaceae | |
| Meiogyne hirsuta | Ancana hirsuta | Annonaceae | |
| Meiogyne hirsuta | Meiogyne sp. Henrietta Creek | Annonaceae | |
| Meiogyne stenopetala ssp. stenopetala | Fissistigma stenopetala | Annonaceae | |
| Meiogyne verrucosa | Meiogyne sp. Mt. Lewis | Annonaceae | |
| Melaleuca cajuputi ssp. platyphylla | Melaleuca cajuputi ssp. Daintree River | Myrtaceae | |
| Melaleuca chisholmii | Callistemon chisholmii | Myrtaceae | |
| Melaleuca citrina | Callistemon citrina | Myrtaceae | |
| Melaleuca clarksonii | Melaleuca sp. Dunbar Station | Myrtaceae | |
| Melaleuca comboynensis | Callistemon comboynensis | Myrtaceae | |
| Melaleuca diosmatifolia | Melaleuca erubescens | Myrtaceae | |
| Melaleuca flavovirens | Callistemon flavovirens | Myrtaceae | |
| Melaleuca fluviatilis | Melaleuca nervosa f. pendulina | Myrtaceae | |
| Melaleuca formosa | Callistemon formosus | Myrtaceae | |
| Melaleuca hemisticta | Callistemon salignus var. roseus (illegitimate name) | Myrtaceae | |
| Melaleuca hemisticta | Callistemon salignus var. Yeppoon | Myrtaceae | |
| Melaleuca hemisticta | Melaleuca salicina var. Yeppoon | Myrtaceae | |
| Melaleuca lanceolata | Melaleuca lanceolata ssp. lanceolata | Myrtaceae | |
| Melaleuca leucadendra | Melaleuca leucadendron | Myrtaceae | |
| Melaleuca linearifolia | Callistemon linearifolium | Myrtaceae | |
| Melaleuca linearis | Callistemon linearis | Myrtaceae | |
| Melaleuca linearis v. linearis | Melaleuca linearis | Myrtaceae | |
| Melaleuca monantha | Melaleuca minutifolia ssp. monantha | Myrtaceae | |
| Melaleuca montana | Callistemon montanus | Myrtaceae | |
| Melaleuca nervosa ssp. crosslandiana | Melaleuca crosslandiana | Myrtaceae | |
| Melaleuca nervosa ssp. crosslandiana | Melaleuca leucadendra f. crosslandiana | Myrtaceae | |
| Melaleuca nervosa ssp. crosslandiana | Melaleuca nervosa ssp. Magowra Station | Myrtaceae | |
| Melaleuca nervosa ssp. nervosa | Melaleuca nervosa f. latifolia | Myrtaceae | |
| Melaleuca pachyphylla | Callistemon pachyphyllus | Myrtaceae | |
| Melaleuca pachyphylla | Callistemon pachyphyllus v. pachyphyllus | Myrtaceae | |
| Melaleuca pachyphylla | Callistemon pachyphyllus v. rubrolilacinus | Myrtaceae | |
| Melaleuca pachyphylla | Callistemon pachyphyllus v. viridis | Myrtaceae | |
| Melaleuca pallida | Callistemon pallidum | Myrtaceae | |
| Melaleuca paludicola | Callistemon sieberi | Myrtaceae | |
| Melaleuca pearsonii | Callistemon pearsonii | Myrtaceae | |
| Melaleuca pityoides | Callistemon pityoides | Myrtaceae | |
| Melaleuca polandii | Callistemon polandii | Myrtaceae | |
| Melaleuca quercina | Melaleuca sp. Chinchilla | Myrtaceae | |
| Melaleuca recurva | Callistemon recurvus | Myrtaceae | |
| Melaleuca salicina | Callistemon salignus | Myrtaceae | |
| Melaleuca salicina | Callistemon salignus v. salignus | Myrtaceae | |
| Melaleuca squamophloia | Melaleuca styphelioides v. squamophloia | Myrtaceae | |
| Melaleuca stenostachya | Melaleuca stenostachya v. stenostachya | Myrtaceae | |
| Melaleuca viminalis | Callistemon viminalis | Myrtaceae | |
| Melaleuca williamsii | Callistemon pungens | Myrtaceae | |
| Melastoma cyanoides | Otanthera bracteata | Melastomataceae | |
| Melastoma cyanoides | Otanthera crinita | Melastomataceae | |
| Melastoma cyanoides | Otanthera cyanoides | Melastomataceae | |
| Melastoma cyanoides | Otanthera manillana | Melastomataceae | |
| Melastoma malabathricum ssp. malabathricum | Melastoma affine | Melastomataceae | |
| Melastoma malabathricum ssp. malabathricum | Melastoma denticulatum | Melastomataceae | |
| Melastoma malabathricum ssp. malabathricum | Melastoma fuscum | Melastomataceae | |
| Melastoma malabathricum ssp. malabathricum | Melastoma homostegium | Melastomataceae | |
| Melastoma malabathricum ssp. malabathricum | Melastoma parvifolium | Melastomataceae | |
| Melastoma malabathricum ssp. malabathricum | Melastoma polyanthum | Melastomataceae | |
| Melastoma malabathricum ssp. malabathricum | Melastoma vulcanicum | Melastomataceae | |
| Melhania spp. | Melhania spp. | Sterculiaceae | Pentapetaceae |
| Melichrus spp. | Melichrus spp. | Epacridaceae | Ericaceae |
| Melicope affinis | Melicope sp. Windsor Tableland | Rutaceae | |
| Melicope bonwickii | Euodia bonwickii | Rutaceae | |
| Melicope elleryana | Euodia elleryana | Rutaceae | |
| Melicope elleryana | Evodiella muelleri (Engl.) | Rutaceae | |
| Melicope fellii | Melicope sp. Embley Range | Rutaceae | |
| Melicope hayesii | Euodia sp. McPherson Range | Rutaceae | |
| Melicope jonesii | Melicope sp. Koolmoon Creek | Rutaceae | |
| Melicope micrococca | Euodia micrococca | Rutaceae | |
| Melicope peninsularis | Melicope sp. Lockerbie | Rutaceae | |
| Melicope rubra | Euodia rubra | Rutaceae | |
| Melicope rubra | Evodiella muelleri (Aust. authors other than Engl.) | Rutaceae | |
| Melicope rubra | Melicope sp. Shipton's Flat | Rutaceae | |
| Melicope vitiflora | Euodia vitiflora | Rutaceae | |
| Melicope xanthoxyloides | Euodia alata | Rutaceae | |
| Melicope xanthoxyloides | Euodia xanthoxyloides | Rutaceae | |
| Melicytus dentatus | Hymenanthera dentata | Violaceae | |
| Melochia spp. | Melochia spp. | Sterculiaceae | Byttneriaceae |
| Melodorum leichhardtii | Rauwenhoffia leichhardtii | Annonaceae | |
| Memecylon spp. | Memecylon spp. | Melastomataceae | Memecylaceae |
| Micrantheum spp. | Micrantheum spp. | Euphorbiaceae | Picrodendraceae |
| Micromyrtus albicans | Micromyrtus sp. Barakula | Myrtaceae | |
| Micromyrtus capricornia | Micromyrtus sp. Comet | Myrtaceae | |
| Micromyrtus carinata | Micromyrtus sp. Gurulmundi | Myrtaceae | |
| Micromyrtus delicata | Micromyrtus sp. Baal Gammon | Myrtaceae | |
| Micromyrtus forsteri | Micromyrtus sp. Bulimba | Myrtaceae | |
| Micromyrtus gracilis | Micromyrtus sp. Rivington | Myrtaceae | |
| Micromyrtus littoralis | Micromyrtus sp. Burrum Heads | Myrtaceae | |
| Micromyrtus patula | Micromyrtus sp. Waaje | Myrtaceae | |
| Micromyrtus rotundifolia | Micromyrtus sp. Mendip Hills | Myrtaceae | |
| Micromyrtus vernicosa | Micromyrtus sp. Mt. Walsh | Myrtaceae | |
| Microsorum australiense | Microsorum punctatum | Polypodiaceae | |
| Microsorum australiense | Microsorum superficiale v. australiense | Polypodiaceae | |
| Microsorum australiense | Polypodium superficiale v. australiense | Polypodiaceae | |
| Microsorum pustulatum | Microsorum diversifolium | Polypodiaceae | |
| Microsorum pustulatum ssp. pustulatum | Microsorum pustulatum (Australian & NZ species) | Polypodiaceae | |
| Millettia pinnata | Pongamia pinnata | Fabaceae | |
| Mischarytera lautereriana | Arytera lautereriana | Sapindaceae | |
| Mischarytera megaphylla | Mischarytera sp. Oliver Creek | Sapindaceae | |
| Mischarytera megaphylla | Sapindaceae sp. Noah Creek B.G. | Sapindaceae | |
| Mischocarpus australis | Mischocarpus sundaicus | Sapindaceae | |
| Mischocarpus montanus | Mischocarpus pyriformis ssp. retusus (in part) | Sapindaceae | |
| Mitrasacme nidulifera | Mitrasacme sp. Mt. Boulder | Loganiaceae | |
| Molineria capitulata | Curculigo recurvata | Liliaceae | Hypoxidaceae |
| Monococcus echinophorus | Monococcus echinophorus | Phytolaccaceae | Petiveriaceae |
| Monogramma acrocarpa | Vaginularia acrocarpa | Vittariaceae | |
| Monotoca sp. Fraser Island | Monotoca scoparia (in part) | Epacridaceae | Ericaceae |
| Moorochloa eruciformis | Brachiaria eruciformis | Poaceae | |
| Morinda ammitia | Morinda sp. Altanmoui Range | Rubiaceae | |
| Morinda canthoides | Coprosma canthoides | Rubiaceae | |
| Morinda constipate | Morinda sp. Bellenden Ker | Rubiaceae | |
| Morinda podistra | Morinda sp. Mt. Lewis | Rubiaceae | |
| Morinda retropila | Morinda sp. Boonjie | Rubiaceae | |
| Moringa oleifera* | Moringa pterygosperma* | Moringaceae | |
| Mullerochloa moreheadiana | Bambusa moreheadiana | Poaceae | |
| Muntingia calabura* | Muntingia calabura* | Tiliaceae | Muntingiaceae |
| Myoporum boninense ssp. australe | Myoporum ellipticum | Myoporaceae | |
| Myriophyllum artesium | Myriophyllum sp. Aramac | Haloragaceae | |
| Myristica globosa ssp. muelleri | Myristica muelleri | Myristicaceae | |
| Myristica insipida v. cimifera | Myristica cimifera | Myristicaceae | |
| Myrsine angusta | Rapanea sp. Mt. Ballow | Myrsinaceae | |
| Myrsine arenaria | Myrsine sp. Coolum | Myrsinaceae | |
| Myrsine crassifolia | Rapanea sp. Victor Creek | Myrsinaceae | |
| Myrsine ireneae ssp. curvata | Myrsine sp. Kroombit Tops | Myrsinaceae | |
| Myrsine ireneae ssp. ireneae | Rapanea sp. Zarda LA | Myrsinaceae | |
| Myrsine maculata | Rapanea sp. Ravenshoe | Myrsinaceae | |
| Myrsine oreophila | Rapanea sp. Mt. Bartle Frere | Myrsinaceae | |
| Myrsine porosa | Rapanea sp. Mt. Blackwood | Myrsinaceae | |
| Myrsine rubiginosa | Rapanea sp. Roaring Meg Creek | Myrsinaceae | |
| Myrsine serpenticola | Myrsine sp. Marlborough | Myrsinaceae | |
| Myrsine subsessilis ssp. cryptostemon | Rapanea subsessilis ssp. Gordonvale | Myrsinaceae | |
| Myrsine subsessilis ssp. subsessilis | Rapanea subsessilis (new subsp.) | Myrsinaceae | |
| Myrsine urceolata | Rapanea urceolata | Myrsinaceae | |
| Myrsine variabilis | Rapanea variabilis | Myrsinaceae | |
| N | TOP | ||
| Nematolepis squamea | Eriostemon squameus | Rutaceae | |
| Nematolepis squamea | Phebalium squameum | Rutaceae | |
| Neoalsomitra clavigera | Melothria trifoliolata | Cucurbitaceae | |
| Neololeba atra | Bambusa atra | Poaceae | |
| Neololeba atra | Bambusa forbesii | Poaceae | |
| Neololeba atra | Dendrocalamus forbesii | Poaceae | |
| Neomarica northiana* | Neomarica northiana* (newly naturalised in Qld.) | Iridaceae | |
| Neoroepera spp. | Neoroepera spp. | Euphorbiaceae | Picrodendraceae |
| Niemeyera antiloga | Amorphospermum antilogum | Sapotaceae | |
| Niemeyera antiloga | Chrysophyllum antilogum | Sapotaceae | |
| Niemeyera whitei | Amorphospermum whitei | Sapotaceae | |
| Nitraria billardierei* | Nitraria schoberi* (auct.non L.) | Nitrariaceae | |
| Notelaea ipsviciensis | Notelaea sp. Bundamba | Oleaceae | |
| Nothofagus moorei | Nothofagus moorei | Fagaceae | Nothofagaceae |
| Notholaena muelleri | Gymnogramma muelleri | Adiantaceae | |
| Notholaena muelleri | Paraceterach muelleri | Adiantaceae | |
| Notholaena reynoldsii | Paraceterach reynoldsii | Adiantaceae | |
| Nothorites megacarpus | Orites megacarpus (as 'Orites megacarpa') | Proteaceae | |
| Notodanthonia longifolia | Rytidosperma longifolium | Poaceae | |
| Notoleptopus decaisnei | Leptopus decaisnei | Phyllanthaceae | |
| Nymphaea immutabilis ssp. immutabilis | Nymphaea immutabilis (in Qld.) | Nymphaeaceae | |
| Nymphaea immutabilis ssp. immutabilis | Nymphaea lotus v. australis | Nymphaeaceae | |
| Nymphaea nouchali | Nymphaea minima | Nymphaeaceae | |
| O | TOP | ||
| Oberonia complanata | Oberonia flavescens | Orchidaceae | |
| Oberonia palmicola | Oberonia crateriformis | Orchidaceae | |
| Oberonia palmicola | Oberonia rimachila | Orchidaceae | |
| Ochrosperma adpressum | Baeckea sp. Mt. Minda | Myrtaceae | |
| Ochrosperma lineare | Baeckea linearis | Myrtaceae | |
| Ochrosperma obovatum | Ochrosperma sp. Brovinia | Myrtaceae | |
| Octarrhena pusilla | Oberonia pusilla | Orchidaceae | |
| Octarrhena pusilla | Phreatia pusilla | Orchidaceae | |
| Oedogonium uleanum v. continuum | Oedogonium platygynum v. continuum | Chlorophyta | |
| Oenothera curtiflora | Gaura parviflora | Onagraceae | |
| Oenothera curtiflora | Schizocarya micrantha | Onagraceae | |
| Oenothera lindheimeri | Gaura lindheimeri | Onagraceae | |
| Oldenlandia gibsonii | Oldenlandia sp. Wietalaba | Rubiaceae | |
| Oldenlandia pterospora | Hedyotis pterospora | Rubiaceae | |
| Olearia macdonnellensis | Olearia sp. Glenavon | Asteraceae | |
| Omphalea celata | Aleurites sp. Hazlewood Gorge | Euphorbiaceae | |
| Ophioglossum gramineum | Ophioglossum lineare | Ophioglossaceae | |
| Ophioglossum lusitanicum | Ophioglossum nudicaule | Ophioglossaceae | |
| Ophioglossum reticulatum | Ophioglossum petiolatum | Ophioglossaceae | |
| Oplismenus imbecillis | Oplismenus hirtellus ssp. imbecillis | Poaceae | |
| Orites megacarpa | Orites sp. Mt. Bartle Frere | Proteaceae | |
| Ornduffia reniformis | Villarsia reniformis | Menyanthaceae | |
| Oryza officinalis | Oryza minuta (auct. non J.Presl & C.Presl: Qld. Herbarium) | Poaceae | |
| Owenia vernicosa | Owenia capitis-yorkii | Meliaceae | |
| Ozothamnus bidwillii | Helichrysum bidwillii | Asteraceae | |
| Ozothamnus cassinioides | Helichrysum cassinioides | Asteraceae | |
| Ozothamnus diosmifolius | Helichrysum diosmifolium | Asteraceae | |
| Ozothamnus diotophyllus | Helichrysum diotophyllum | Asteraceae | |
| Ozothamnus eriocephalus | Helichrysum eriocephalum | Asteraceae | |
| Ozothamnus obcordatus | Helichrysum obcordatum | Asteraceae | |
| Ozothamnus rufescens | Helichrysum rufescens | Asteraceae | |
| Ozothamnus vagans | Helichrysum vagans | Asteraceae | |
| Ozothamnus whitei | Helichrysum whitei | Asteraceae | |
| P | TOP | ||
| Palmeria coriacea | Palmeria scandens (in part ) | Monimiaceae | |
| Palmeria racemosa | Palmeria scandens (in part) | Monimiaceae | |
| Pandorea floribunda | Pandorea sp. Ipswich | Bignoniaceae | |
| Pandorea floribunda | Tecoma floribunda | Bignoniaceae | |
| Pandorea linearis | Pandorea australis ssp. linearis | Bignoniaceae | |
| Pandorea linearis | Tecoma australis var. linearis | Bignoniaceae | |
| Paphia meiniana (reinstated) | Agapetes meiniana | Ericaceae | |
| Parapachygone longifolia | Pachygone longifolia | Menispermaceae | |
| Pararchidendron pruinosum | Pithecellobium pruinosum | Mimosaceae | |
| Pararistolochia deltantha | Aristolochia deltantha | Aristolochiaceae | |
| Pararistolochia laheyana | Aristolochia deltantha v. laheyana | Aristolochiaceae | |
| Pararistolochia linearifolia | Aristolochia sp. Heathlands | Aristolochiaceae | |
| Pararistolochia praevenosa | Aristolochia praevenosa | Aristolochiaceae | |
| Pararistolochia sparusifolia | Aristolochia sp. Mt. Lewis | Aristolochiaceae | |
| Parsonsia bartlensis | Parsonsia sp. Mt. Bartle Frere | Apocynaceae | |
| Parsonsia blakeana | Parsonsia sp. Captain Billy Landing | Apocynaceae | |
| Parsonsia brisbanensis | Parsonsia sp. Bundamba | Apocynaceae | |
| Parsonsia ferruginea | Parsonsia sp. Possum Scrub | Apocynaceae | |
| Parsonsia grayana | Parsonsia sp. Pinnacle Rock | Apocynaceae | |
| Parsonsia kroombitensis | Parsonsia sp. Kroombit | Apocynaceae | |
| Parsonsia larcomensis | Parsonsia sp. Mt. Wheeler | Apocynaceae | |
| Parsonsia longipedicellata | Parsonsia latifolia (cent. & sth. Qld.) | Apocynaceae | |
| Parsonsia longipetiolata | Parsonsia sp. Mt. Glastonbury | Apocynaceae | |
| Parsonsia paulforsteri | Parsonsia lenticellata (sth. Qld.) | Apocynaceae | |
| Parsonsia wildensis | Parsonsia sp. Windin Falls | Apocynaceae | |
| Passiflora aurantioides | Hollrungia aurantioides | Passifloraceae | |
| Passiflora herbertiana ssp herbertiana | Passiflora herbertiana (in Qld) | Passifloraceae | |
| Passiflora kuranda | Passiflora sp. Whyanbeel | Passifloraceae | |
| Passiflora tarminiana* | Passiflora mollissima* (misidentified) | Passifloraceae | |
| Pellaea falcata | Pellaea falcata v. denticulata | Sinopteridaceae | Adiantaceae |
| Pellaea nana | Pellaea falcata v. nana | Sinopteridaceae | Adiantaceae |
| Pellaea spp. | Pellaea spp. | Sinopteridaceae | Adiantaceae |
| Pennantia cunninghamii | Pennantia cunninghamii | Icacinaceae | Pennantiaceae |
| Pennisetum ciliare* | Cenchrus ciliaris* | Poaceae | |
| Pennisetum pennisetiforme* | Cenchrus pennisetiformis* | Poaceae | |
| Pennisetum setigerum* | Cenchrus setigerus* | Poaceae | |
| Peperomia blanda v. floribunda | Peperomia leptostachya | Peperomiaceae | Piperaceae |
| Peperomia enervis | Peperomia johnsonii | Peperomiaceae | Piperaceae |
| Peperomia spp. | Peperomia spp. | Peperomiaceae | Piperaceae |
| Peripleura arida | Vittadinia arida | Asteraceae | |
| Peripleura bicolor | Vittadinia bicolor | Asteraceae | |
| Peripleura diffusa | Vittadinia diffusa | Asteraceae | |
| Peripleura hispidula | Vittadinia hispidula | Asteraceae | |
| Peripleura hispidula ssp. setosa | Vittadinia hispidula v. setosa | Asteraceae | |
| Peripleura obovata | Vittadinia obovata | Asteraceae | |
| Peripleura scabra | Vittadinia scabra | Asteraceae | |
| Peripleura sericea | Vittadinia sericea | Asteraceae | |
| Peripleura virgata | Vittadinia virgata | Asteraceae | |
| Persoonia media | Persoonia attenuata (in part) | Proteaceae | |
| Persoonia stradbrokensis | Persoonia cornifolia ssp. A | Proteaceae | |
| Persoonia subtilis | Persoonia sp. aff. fastigiata | Proteaceae | |
| Persoonia subtilis | Persoonia sp. Barakula | Proteaceae | |
| Persoonia tropica | Persoonia sp. aff. cornifolia | Proteaceae | |
| Persoonia tropica | Persoonia sp. Tumoulin | Proteaceae | |
| Persoonia volcanica | Persoonia attenuata (in part) | Proteaceae | |
| Petalostigma spp. | Petalostigma spp. | Euphorbiaceae | Picrodendraceae |
| Petrorhagia dubia | Petrorhagia velutina | Verbenaceae | Caryophyllaceae |
| Phaeropteris felina | Cyathea felina | Cyatheaceae | |
| Phaius tancarvilleae | Phaius tankarvilliae | Orchidaceae | |
| Phalaenopsis amabilis ssp. rosenstromii | Phalaenopsis amabilis v. papuana | Orchidaceae | |
| Phalaenopsis amabilis ssp. rosenstromii | Phalaenopsis amabilis v. rosenstromii | Orchidaceae | |
| Phalaenopsis amabilis ssp. rosenstromii | Phalaenopsis rosenstromii | Orchidaceae | |
| Phaleria biflora | Oreodendron biflorum | Thymelaeaceae | |
| Phebalium distans | Phebalium sp. Mt. Berryman | Rutaceae | |
| Phebalium distans | Phebalium squamulosum ssp. squamulosum | Rutaceae | |
| Phebalium glandulosum ssp. macrocalyx | Phebalium glandulosum ssp. Inniscraig | Rutaceae | |
| Phebalium longifolium | Phebalium squamulosum ssp. longifolium | Rutaceae | |
| Philotheca acrolopha | Eriostemon sp. Mt. Tozer | Rutaceae | |
| Philotheca acrolopha | Philotheca sp. Mt. Tozer | Rutaceae | |
| Philotheca brevifolia | Eriostemon brevifolius | Rutaceae | |
| Philotheca conduplicata | Eriostemon myoporoides ssp. condulpicatus | Rutaceae | |
| Philotheca conduplicata | Philotheca myoporoides ssp. conduplicata | Rutaceae | |
| Philotheca conduplicata | Philotheca myoporoides ssp. conduplicata | Rutaceae | |
| Philotheca difformis ssp. difformis | Eriostemon difformis ssp. difformis | Rutaceae | |
| Philotheca difformis ssp. smithiana | Eriostemon difformis ssp. smithianus | Rutaceae | |
| Philotheca epilosa | Eriostemon myoporoides ssp. epilosus | Rutaceae | |
| Philotheca epilosa | Philotheca myoporoides ssp epilosa | Rutaceae | |
| Philotheca epilosa | Philotheca myoporoides ssp. epilosa | Rutaceae | |
| Philotheca glasshousiensis | Eriostemon glasshousiensis | Rutaceae | |
| Philotheca glasshousiensis | Eriostemon myoporoides ssp. leichhardtii | Rutaceae | |
| Philotheca glasshousiensis | Eriostemon myoporoides v. Cania Gorge | Rutaceae | |
| Philotheca glasshousiensis | Eriostemon myoporoides v. Q1 | Rutaceae | |
| Philotheca glasshousiensis | Eriostemon sp. Cania Gorge | Rutaceae | |
| Philotheca glasshousiensis | Eriostemon trachyphyllus v. leichhardtii | Rutaceae | |
| Philotheca glasshousiensis | Philotheca myoporoides ssp leichhardtii | Rutaceae | |
| Philotheca glasshousiensis | Philotheca myoporoides ssp. leichhardtii | Rutaceae | |
| Philotheca myoporoides | Eriostemon amplifolius | Rutaceae | |
| Philotheca myoporoides | Eriostemon myoporoides | Rutaceae | |
| Philotheca myoporoides ssp. obovatifolia | Eriostemon sp. Mt. Barney | Rutaceae | |
| Philotheca obovatifolia | Eriostemon sp. Mt. Barney | Rutaceae | |
| Philotheca obovatifolia | Philotheca myoporoides ssp obovatifolia | Rutaceae | |
| Philotheca queenslandica | Eriostemon myoporoides ssp. queenslandicus | Rutaceae | |
| Philotheca queenslandica | Eriostemon queenslandicus | Rutaceae | |
| Philotheca queenslandica | Philotheca myoporoides ssp queenslandica | Rutaceae | |
| Philotheca queenslandica | Philotheca myoporoides ssp. queenslandica | Rutaceae | |
| Philotheca sporadica | Eriostemon sporadicus | Rutaceae | |
| Pholidota imbricata | Pholidota pallida (auct.non Holttum [1964] & Lindley [1835]) | Orchidaceae | |
| Phyllangium paradoxum | Phyllangium paradoxum (new record for Qld.) | Loganiaceae | |
| Phyllanthera grayi | Cryptolepis grayi | Asclepiadaceae | Apocynaceae |
| Phyllanthus collinus | Phyllanthus sp. Kidston | Euphorbiaceae | Phyllanthaceae |
| Phyllanthus exilis | Phyllanthus trachygyne | Euphorbiaceae | Phyllanthaceae |
| Phyllanthus gunnii | Phyllanthus gasstroemii | Euphorbiaceae | Phyllanthaceae |
| Phyllanthus lamprophyllus | Phyllanthus sp. Pascoe River | Euphorbiaceae | Phyllanthaceae |
| Phyllanthus pusillifolius | Phyllanthus sp. aff. albiflorus | Euphorbiaceae | Phyllanthaceae |
| Phyllanthus sp. Bulburin | Phyllanthus brassii (Bulburin population) | Euphorbiaceae | Phyllanthaceae |
| Phyllanthus spp. | Phyllanthus spp. | Euphorbiaceae | Phyllanthaceae |
| Phyllanthus sulcatus | Phyllanthus urinaria (in Qld.) | Euphorbiaceae | Phyllanthaceae |
| Phyllodium hackeri | Phyllodium sp. Montalbion | Fabaceae | |
| Phyllodium pulchellum v. pulchellum | Phyllodium pulchellum (Qld. species) | Fabaceae | |
| Physalis crassifolia v. versicolor* | Physalis viscosa* (auct.non L.) | Solanaceae | |
| Picris angustifolia ssp. angustifolia | Picris angustifolia (new subsp.) | Asteraceae | |
| Picris angustifolia ssp. carolorum-henricorum | Picris carolorum-henricorum | Asteraceae | |
| Pilidiostigma papuanum | Pilidiostigma recurvum | Myrtaceae | |
| Pilidiostigma sessile | Pilidiostigma sp. Mt. Lewis | Myrtaceae | |
| Pinus clausa | Pinus clausa ssp. immuginata | Pinaceae | |
| Piper fungiforme | Piper sp. Leo Creek | Piperaceae | |
| Piper hederaceum | Piper novae-hollandiae | Piperaceae | |
| Piper hederaceum | Piper novae-hollandiae v. novae-hollandiae | Piperaceae | |
| Piper interruptum | Piper caninum | Piperaceae | |
| Piper umbellatum | Piper umbellatum v. subpeltatum | Piperaceae | |
| Pitaviaster haplophylla | Euodia haplophylla | Rutaceae | |
| Pitaviaster haplophyllus | Acronychia haplophylla | Rutaceae | |
| Pittosporum angustifolium | Pittosporum acacioides | Pittosporaceae | |
| Pittosporum angustifolium | Pittosporum longifolium | Pittosporaceae | |
| Pittosporum angustifolium | Pittosporum phillyraeoides (auct. non de Candolle) | Pittosporaceae | |
| Pittosporum angustifolium | Pittosporum salicinum | Pittosporaceae | |
| Pittosporum ferrugineum ssp. ferrugineum | Pittosporum ferrugineum (new subsp.) | Pittosporaceae | |
| Pittosporum ferrugineum ssp. linifolium | Pittosporum ferrugineum ssp. Tolga | Pittosporaceae | |
| Pittosporum ferrugineum ssp. linifolium | Pittosporum linifolium | Pittosporaceae | |
| Pittosporum ferrugineum ssp. linifolium | Pittosporum ovatifolium | Pittosporaceae | |
| Pittosporum ferrugineum ssp. linifolium | Pittosporum queenslandicum | Pittosporaceae | |
| Pittosporum lancifolium | Citriobatus lancifolius | Pittosporaceae | |
| Pittosporum multiflorum | Citriobatus multiflorus | Pittosporaceae | |
| Pittosporum multiflorum | Citriobatus pauciflorus | Pittosporaceae | |
| Pittosporum spinescens | Citriobatus papuanus | Pittosporaceae | |
| Pittosporum spinescens | Citriobatus spinescens | Pittosporaceae | |
| Pittosporum spinescens | Ixiosporum spinescens | Pittosporaceae | |
| Pittosporum trilobum | Pittosporum sp. Boonjie | Pittosporaceae | |
| Pittosporum trilobum | Pittosporum sp. Mt. Lewis | Pittosporaceae | |
| Pittosporum viscidum | Citriobatus linearis | Pittosporaceae | |
| Pittosporum viscidum | Citriobatus multiflorus v. intermedius | Pittosporaceae | |
| Pittosporum viscidum | Citriobatus multiflorus v. linearis | Pittosporaceae | |
| Planchonella asterocarpon | Planchonella pohlmaniana v. asterocarpon | Sapotaceae | |
| Planchonella asterocarpon | Pouteria asterocarpon | Sapotaceae | |
| Planchonella asterocarpon | Pouteria pohlmaniana v. Atherton | Sapotaceae | |
| Planchonella asterocarpon | Pouteria sp. Atherton | Sapotaceae | |
| Planchonella australis | Pouteria australis | Sapotaceae | |
| Planchonella chartacea | Pouteria chartacea | Sapotaceae | |
| Planchonella cotinifolia | Pouteria cotinifolia | Sapotaceae | |
| Planchonella cotinifolia | Pouteria cotinifolia v. cotinifolia | Sapotaceae | |
| Planchonella cotinifolia v. pubescens | Pouteria cotinifolia v. Duaringa | Sapotaceae | |
| Planchonella cotinifolia v. pubescens | Pouteria myrsinoides (A.Cunn.ex Benth.) Baehni | Sapotaceae | |
| Planchonella cotinifolia v. pubescens | Pouteria myrsinoides ssp. myrsinoides | Sapotaceae | |
| Planchonella eerwah | Pouteria eerwah | Sapotaceae | |
| Planchonella euphlebia | Pouteria euphlebia | Sapotaceae | |
| Planchonella myrsinifolia | Planchonella myrsinoides (auct.non. (A.Cunn.ex Benth.) S.T.Blake&W.D.Francis) | Sapotaceae | |
| Planchonella myrsinifolia | Pouteria mvrsinifolia | Sapotaceae | |
| Planchonella myrsinifolia | Pouteria myrsinoides (auct. non (A.Cunn.ex Benth.) Baehni ) | Sapotaceae | |
| Planchonella myrsinodendron | Pouteria myrsinodendron | Sapotaceae | |
| Planchonella myrsinodendron | Pouteria obovoidea | Sapotaceae | |
| Planchonella obovata | Pouteria obovata | Sapotaceae | |
| Planchonella pohlmaniana | Pouteria pohlmaniana | Sapotaceae | |
| Planchonella pubescens | Planchonella cotinifolia v. pubescens | Sapotaceae | |
| Planchonella pubescens | Planchonella myrsinoides (A.Cunn.ex Benth.) S.T.Blake & W.D.Francis | Sapotaceae | |
| Planchonella pubescens | Pouteria cotinifolia v. pubescens | Sapotaceae | |
| Planchonella xylocarpa | Planchonella ripicola | Sapotaceae | |
| Planchonella xylocarpa | Pouteria xylocarpa | Sapotaceae | |
| Platostoma longicorne | Ceratanthus longicornis | Lamiaceae | |
| Plectranthus actites | Plectranthus sp. Anvil Creek | Lamiaceae | |
| Plectranthus amoenus | Plectranthus sp. aff. graveolens | Lamiaceae | |
| Plectranthus apricus | Plectranthus sp. Laura | Lamiaceae | |
| Plectranthus cyanophyllus | Plectranthus sp. Mt. Abbott | Lamiaceae | |
| Plectranthus dumicola | Plectranthus sp. Leo Creek | Lamiaceae | |
| Plectranthus excelsus | Plectranthus sp. Garraway Hill | Lamiaceae | |
| Plectranthus glabriflorus | Plectranthus sp. Atherton | Lamiaceae | |
| Plectranthus habrophyllus | Plectranthus sp. Ormeau/Opossum Ck. | Lamiaceae | |
| Plectranthus leiperi | Plectranthus sp. Diana's Bath | Lamiaceae | |
| Plectranthus megadontus | Plectranthus sp. Rocky Creek | Lamiaceae | |
| Plectranthus thalassoscopicus | Plectranthus sp. Mt. Bell | Lamiaceae | |
| Pleomele angustifolia | Dracaena angustifolia | Agavaceae | Dracaenaceae |
| Plexaure crassiuscula | Phreatia crassiuscula | Orchidaceae | |
| Pluchea dunlopii | Pluchea tetranthera (incorrect ID) | Asteraceae | |
| Pluchea ferdinandi-muelleri | Pluchea tetranthera v. cinerea | Asteraceae | |
| Pluchea ferdinandi-muelleri | Pluchea tetranthera v. tomentosa | Asteraceae | |
| Pneumatopteris pennigera | Cyclosorus pennigerus | Thelypteridaceae | |
| Podolobium ilicifolium | Oxylobium ilicifolium | Fabaceae | |
| Podolobium scandens | Oxylobium scandens | Fabaceae | |
| Polianthion minutiflorum | Trymalium minutiflorum | Rhamnaceae | |
| Polyalthia patinata | Polyalthia sp. Wyvuri | Annonaceae | |
| Polycalymma stuartii | Myriocephalus stuartii | Asteraceae | |
| Polyosma spp. | Polyosma spp. | Grossulariaceae | Escalloniaceae |
| Polyphlebium endlicherianum | Crepidomanes endlicherianum | Hymenophyllaceae | |
| Polyphlebium endlicherianum | Trichomanes endlicherianum | Hymenophyllaceae | |
| Polyphlebium venosum | Crepidomanes venosum | Hymenophyllaceae | |
| Polyscias elegans | Tieghemopanax elegans | Araliaceae | |
| Polyscias murrayi | Tieghemopanax murrayi | Araliaceae | |
| Polyscias sambucifolius | Tieghemopanax sambucifolius | Araliaceae | |
| Pomaderris argyrophylla | Pomaderris argyrophylla ssp. argyrophylla | Rhamnaceae | |
| Pomaderris argyrophylla ssp. graniticola | Pomaderris sp. Tingoora | Rhamnaceae | |
| Pomaderris clivicola | Pomaderris sp. Binjour | Rhamnaceae | |
| Pomaderris graniticola | Pomaderris argyrophylla ssp. (Glen Aplin) | Rhamnaceae | |
| Pomaderris graniticola | Pomaderris argyrophylla ssp. graniticola | Rhamnaceae | |
| Pomaderris ligustrina ssp. latifolia | Pomaderris ligustrina ssp. (Ballandean) | Rhamnaceae | |
| Poranthera obovata | Poranthera sp. Beerwah | Euphorbiaceae | Phyllanthaceae |
| Poranthera obovata | Poranthera sp. Mt. Ballow | Euphorbiaceae | Phyllanthaceae |
| Potamogeton octandrus | Potamogeton javanicus (auct.non Hassk.) | Potamogetonaceae | |
| Potentilla indica* | Dechescea indica* | Rosaceae | |
| Potentilla indica* | Frageria indica* | Rosaceae | |
| Pouteria brownlessiana | Planchonella brownlessiana | Sapotaceae | |
| Pouteria cotinifolia v. pubescens | Achras myrsinoides | Sapotaceae | |
| Pouteria cotinifolia v. pubescens | Sapotas myrsinoides | Sapotaceae | |
| Pouteria cotinifolia v. pubescens | Sersalisia myrsinoides | Sapotaceae | |
| Pouteria cotinifolia v. pubescens | Sideroxylon myrsinoides | Sapotaceae | |
| Pouteria myrsinifolia | Sersalisia myrsinifolia | Sapotaceae | |
| Pouteria myrsinodendron | Chrysophyllum myrsinodendron | Sapotaceae | |
| Pouteria myrsinodendron | Planchonella obovoidea | Sapotaceae | |
| Pouteria papyracea | Planchonella papyracea | Sapotaceae | |
| Pouteria pearsoniorum | Planchonella macrocarpa | Sapotaceae | |
| Pouteria queenslandica | Beccariella queenslandica | Sapotaceae | |
| Pouteria queenslandica | Planchonella laurifolia | Sapotaceae | |
| Pouteria queenslandica | Planchonella queenslandica | Sapotaceae | |
| Pouteria singuliflora | Planchonella singuliflora | Sapotaceae | |
| Pouteria xerocarpa | Planchonella xerocarpa | Sapotaceae | |
| Premna spp. | Premna spp. | Verbenaceae | Lamiaceae |
| Proboscidea louisianica ssp. fragrans* | Proboscidea fragrans* | Pedaliaceae | |
| Proiphys amboinensis | Eurycles amboinensis | Liliaceae | Amaryllidaceae |
| Proiphys cunninghamii | Eurycles cunninghamii | Liliaceae | Amaryllidaceae |
| Proiphys infundibularis | Proiphys sp. Hervey Range | Amaryllidaceae | |
| Prosaptia fuscopilosa | Ctenopteris fuscopilosa | Grammitidaceae | |
| Prosaptia fuscopilosa | Polypodium fuscopilosum | Polypodiaceae | Grammitidaceae |
| Prosaptia maidenii | Ctenopteris maidenii | Grammitidaceae | |
| Prosaptia maidenii | Polypodium maidenii | Polypodiaceae | Grammitidaceae |
| Prostanthera clotteniana | Hemigenia clotteniana | Lamiaceae | |
| Prostanthera clotteniana | Prostanthera atroviolacea | Lamiaceae | |
| Prostanthera cryptandroides ssp. euphrasioides | Prostanthera euphrasioides | Lamiaceae | |
| Prostanthera cryptandroides ssp. euphrasioides | Prostanthera odoratissima | Lamiaceae | |
| Pseudanthus ballingalliae | Pseudanthus sp. Q2 | Euphorbiaceae | Picrodendraceae |
| Pseudanthus ballingalliae | Pseudanthus sp. Salvator Rosa NP | Euphorbiaceae | Picrodendraceae |
| Pseudanthus ligulatus ssp. ligulatus | Pseudanthus (new subsp.) | Euphorbiaceae | Picrodendraceae |
| Pseudanthus ligulatus ssp. volcanicus | Pseudanthus (new subsp.) | Euphorbiaceae | Picrodendraceae |
| Pseudanthus pauciflorus ssp. arenicola | Pseudanthus sp. Blackdown Tableland | Euphorbiaceae | Picrodendraceae |
| Pseudanthus pauciflorus ssp. arenicola | Pseudanthus sp. Q1 (aff. pimeleoides) | Euphorbiaceae | Picrodendraceae |
| Pseudanthus pauciflorus ssp. arenicola | Pseudanthus sp. Tylerville ssp. Blackdown Tableland | Euphorbiaceae | Picrodendraceae |
| Pseudanthus pauciflorus ssp. pauciflorus | Pseudanthus sp. Tylerville | Euphorbiaceae | Picrodendraceae |
| Pseudognaphalium luteoalbum | Gnaphalium luteoalbum | Asteraceae | |
| Psydrax attenuata | Canthium attenuatum | Rubiaceae | |
| Psydrax banksii | Canthium sp. Friday Island | Rubiaceae | |
| Psydrax forsteri | Canthium sp. Duaringa | Rubiaceae | |
| Psydrax graciliflora | Canthium graciliflorum | Rubiaceae | |
| Psydrax johnsonii | Canthium sp. Berrigurra Station | Rubiaceae | |
| Psydrax lamprophylla | Canthium lamprophyllum | Rubiaceae | |
| Psydrax lamprophylla | Canthium sp. aff. odoratum | Rubiaceae | |
| Psydrax latifolia | Canthium latifolium | Rubiaceae | |
| Psydrax laxiflorens | Canthium sp. Herberton Range | Rubiaceae | |
| Psydrax lepida | Canthium sp. Cooktown | Rubiaceae | |
| Psydrax longipes | Canthium sp. Larcom Gully | Rubiaceae | |
| Psydrax montigena | Canthium sp. Thornton Peak | Rubiaceae | |
| Psydrax montigena | Ixora orophila | Rubiaceae | |
| Psydrax odorata | Canthium odoratum | Rubiaceae | |
| Psydrax odorata ssp. australiana | Canthium odoratum ssp. Didcot | Rubiaceae | |
| Psydrax odorata ssp. buxifolia | Canthium buxifolium | Rubiaceae | |
| Psydrax oleifolia | Canthium oleifolium | Rubiaceae | |
| Psydrax pallida | Canthium sp. Dixie Station | Rubiaceae | |
| Psydrax paludosa | Canthium sp. Weipa | Rubiaceae | |
| Psydrax paludosa | Canthium sp. Wenlock River | Rubiaceae | |
| Psydrax reticulata | Canthium sp. Thursday Island | Rubiaceae | |
| Psydrax reticulata | Plectronia odorata v. reticulata | Rubiaceae | |
| Psydrax saligna f. saligna | Psydrax saligna (in Qld.) | Rubiaceae | |
| Psydrax saligna forma saligna | Canthium sp. Charters Towers | Rubiaceae | |
| Psydrax tropica | Canthium sp. Whitfield Range | Rubiaceae | |
| Pteridium aquilinum ssp. wightianum | Pteridium revolutum | Dennstaedtiaceae | |
| Pteridoblechnum acuminatum | Steenisioblechnum acuminatum | Blechnaceae | |
| Pterostylis crassichila | Pterostylis stricta (auct.non Clemesha & Gray) | Orchidaceae | |
| Pterostylis longifolia | Oligochaetochilus longifolia | Orchidaceae | |
| Pterostylis longipetala | Diplodium longipetalum | Orchidaceae | |
| Pterostylis vitrea | Bunochilus vitreus | Orchidaceae | |
| Ptilothrix deusta | Carpha deusta | Cyperaceae | |
| Ptilotus brachyanthus | Ptilotus blakeanus | Amaranthaceae | |
| Ptilotus capensis | Ptilotus distans ssp. capensis | Amaranthaceae | |
| Ptilotus fusiformis | Ptilotus fusiformis var. fusiformis | Amaranthaceae | |
| Ptilotus fusiformis | Ptilotus fusiformis var. gracilis | Amaranthaceae | |
| Ptilotus helipteroides | Ptilotus helipteroides var. helipteroides | Amaranthaceae | |
| Ptilotus latifolius | Ptilotus latifolius var. latifolius | Amaranthaceae | |
| Ptilotus latifolius | Ptilotus latifolius var. major | Amaranthaceae | |
| Ptilotus leucocoma | Ptilotus humifusus | Amaranthaceae | |
| Ptilotus nobilis | Ptilotus exaltatus | Amaranthaceae | |
| Ptilotus nobilis ssp. nobilis | Ptilotus exaltatus var. exaltatus | Amaranthaceae | |
| Ptilotus nobilis ssp. nobilis | Ptilotus nobilis var. nobilis | Amaranthaceae | |
| Ptilotus nobilis ssp. semilanatus | Ptilotus exaltatus var. semilanatus | Amaranthaceae | |
| Ptilotus obovatus | Ptilotus obovatus var. obovatus | Amaranthaceae | |
| Ptilotus obovatus | Ptilotus obovatus var. lancifolius | Amaranthaceae | |
| Ptilotus obovatus | Ptilotus obovatus var. parviflorus | Amaranthaceae | |
| Ptilotus pedleyanus | Ptilotus pedleyanus var. pedleyanus | Amaranthaceae | |
| Ptilotus pedleyanus | Ptilotus pedleyanus var. comosus | Amaranthaceae | |
| Ptilotus polystachyus | Ptilotus polystachyus f. polystachyos | Amaranthaceae | |
| Ptilotus polystachyus | Ptilotus polystachyus f. rubriflorus | Amaranthaceae | |
| Ptilotus pseudohelipteroides | Ptilotus helipteroides var. minor | Amaranthaceae | |
| Ptilotus sessilifolius | Ptilotus sessilifolius var. sessilifolius | Amaranthaceae | |
| Ptilotus spicatus | Ptilotus spicatus Benth. ssp. spicatus | Amaranthaceae | |
| Ptilotus spicatus | Ptilotus spicatus Benth. var. spicatus | Amaranthaceae | |
| Ptilotus spicatus | Ptilotus spicatus ssp. leianthus | Amaranthaceae | |
| Ptilotus spicatus | Ptilotus spicatus var. leianthus | Amaranthaceae | |
| Ptilotus swartzii | Ptilotus swartzii forma swartzii | Amaranthaceae | |
| Ptilotus swartzii | Ptilotus swartzii var. swartzii | Amaranthaceae | |
| Ptisana oreades | Marattia oreades | Marattiaceae | |
| Pueraria montana v. lobata* | Pueraria lobata v. lobata* | Fabaceae | |
| Pultenaea borea | Pultenaea sp. Mt. Bowen | Fabaceae | |
| Pultenaea bracteamajor | Pultenaea sp. Cracow | Fabaceae | |
| Pultenaea bracteaminor | Pultenaea sp. Eidsvold | Fabaceae | |
| Pultenaea cuneata (reinstated) | Pultenaea sp. G in Harden 1991 | Fabaceae | |
| Pultenaea ferruginea | Pultenaea ferruginea v. deanei | Fabaceae | |
| Pultenaea ferruginea | Pultenaea ferruginea v. ferruginea | Fabaceae | |
| Pultenaea glabra (reinstated) | Pultenaea sp. E in Harden 1991 | Fabaceae | |
| Pultenaea maritima | Pultenaea sp. Woolgoolga | Fabaceae | |
| Pultenaea paleacea | Pultenaea paleacea v. obtusata | Fabaceae | |
| Pultenaea paleacea | Pultenaea paleacea v. paleacea | Fabaceae | |
| Pultenaea rariflora | Pultenaea paleacea v. pauciflora | Fabaceae | |
| Pultenaea robusta | Pultenaea paleacea v. robusta | Fabaceae | |
| Pultenaea rostrata | Pultenaea sp. Glenreagh | Fabaceae | |
| Pultenaea scabra | Pultenaea scabra (newly recognised for Qld.) | Fabaceae | |
| Pycnosorus chrysanthus | Craspedia chrysantha | Asteraceae | |
| Pycnosorus globosus | Craspedia globosa | Asteraceae | |
| Pycnosorus pleiocephalus | Craspedia pleiocephala | Asteraceae | |
| Q | TOP | ||
| Quintinia spp. | Quintinia spp. | Grossulariaceae | Quintiniaceae |
| R | TOP | ||
| Rhaponticum australe | Leuzea australis | Asteraceae | |
| Rhaponticum australe | Stemmacantha australis | Asteraceae | |
| Rhaponticum repens | Acroptilon repens | Asteraceae | |
| Rhaponticum repens | Centaurea repens | Asteraceae | |
| Rhinerrhizopsis matutina | Rhinerrhizopsis moorei | Orchidaceae | |
| Rhinerrhizopsis moorei | Pterocerus moorei | Orchidaceae | |
| Rhinerrhizopsis moorei | Rhinerrhiza moorei | Orchidaceae | |
| Rhinerrhizopsis moorei | Sarcochilus moorei | Orchidaceae | |
| Rhinerrhizopsis moorei | Thrixspermum moorei | Orchidaceae | |
| Rhipidorchis micrantha | Oberonia micrantha | Orchidaceae | |
| Rhipidorchis micrantha | Phreatia micrantha | Orchidaceae | |
| Rhipidorchis micrantha | Rhynchophreatia micrantha | Orchidaceae | |
| Rhodamnia angustifolia | Rhodamnia sp. Calliope | Myrtaceae | |
| Rhodamnia dumicola | Rhodamnia sp. Pine Mtn. & Wards Scrub | Myrtaceae | |
| Rhodamnia whiteana | Rhodamnia costata (Border Ranges) | Myrtaceae | |
| Rhodanthe anthemoides | Helipterum anthemoides | Asteraceae | |
| Rhodanthe charsleyae | Helipterum charsleyae | Asteraceae | |
| Rhodanthe corymbiflora | Helipterum corymbiflorum | Asteraceae | |
| Rhodanthe diffusa | Helipterum diffusum | Asteraceae | |
| Rhodanthe floribunda | Helipterum floribundum | Asteraceae | |
| Rhodanthe microglossa | Helipterum microglossum | Asteraceae | |
| Rhodanthe moschata | Helipterum moschatum | Asteraceae | |
| Rhodanthe polyphylla | Argyrocome polyphylla | Asteraceae | |
| Rhodanthe polyphylla | Helipterum polyphyllum | Asteraceae | |
| Rhodanthe pygmaea | Helipterum pygmaeum | Asteraceae | |
| Rhodanthe stricta | Helipterum strictum | Asteraceae | |
| Rhodanthe tietkensii | Helipterum tietkensii | Asteraceae | |
| Rhodanthe uniflora | Helipterum uniflorum | Asteraceae | |
| Rhodomyrtus pervagata | Rhodomyrtus trineura v. macrophylla (in part) | Myrtaceae | |
| Rhomboda polygonoides | Goodyera polygonoides | Orchidaceae | |
| Rhomboda polygonoides | Zeuxine polygonoides | Orchidaceae | |
| Rhytidosporum diosmoides | Bursaria diosmoides | Pittosporaceae | |
| Rhytidosporum diosmoides | Rhytidosporum sp. Stanthorpe | Pittosporaceae | |
| Ricinocarpos caniana | Ricinocarpos sp. Cania Gorge | Euphorbiaceae | |
| Ricinocarpos crispatus | Ricinocarpos sp. Mt. Calder Station | Euphorbiaceae | |
| Ricinocarpos linearifolius | Ricinocarpos sp. Blackdown Tableland | Euphorbiaceae | |
| Ricinocarpos ruminatus | Ricinocarpos sp. Planet Downs | Euphorbiaceae | |
| Ricinocarpos trachyphyllus | Ricinocarpos sp. Westmar | Euphorbiaceae | |
| Ricinocarpos verrucosus | Ricinocarpos sp. Mt. Alto | Euphorbiaceae | |
| Ripogonum spp. | Ripogonum spp. | Smilacaceae | Ripogonaceae |
| Rivina humilis* | Rivina humilis* | Phytolaccaceae | Petiveriaceae |
| Romnalda ophiopogonoides | Romnalda sp. Cooper Creek | Laxmanniaceae | |
| Rosa cv. Excelsa | Rosa chinensis (auct. non Jacq.: Qld. Herbarium) | Rosaceae | |
| Rourea brachyandra | Austrosteenisia sp. Mission Beach | Connaraceae | |
| Rourea brachyandra | Austrosteenisia sp. Wallaman Falls | Connaraceae | |
| Rubus alumnus | Rubus bellobatus | Rosaceae | |
| Rubus anglocandicans* | Rubus discolor* | Rosaceae | |
| Rubus laudatus # | Rubus alumnus | Rosaceae | |
| Rubus moluccanus v. moluccanus | Rubus capricornia | Rosaceae | |
| Rubus moluccanus v. moluccanus (included in) | Rubus moluccanus v. dendrocharis | Rosaceae | |
| Rubus moluccanus v. trilobus | Rubus hillii | Rosaceae | |
| Rubus nebulosus | Rubus moorei f. glabra | Rosaceae | |
| Rubus nebulosus | Rubus sp. A (in Flora of NSW) | Rosaceae | |
| Rubus probus | Rubus fraxinifolius (in Qld.) | Rosaceae | |
| Rubus probus | Rubus muelleri (invalid name) | Rosaceae | |
| Rubus queenslandicus | Rubus sp. Tinaroo Range | Rosaceae | |
| Rubus rosifolius v. commersonii | Rubus commersonii | Rosaceae | |
| Ruellia tweediana* | Ruellia brittoniana* | Cornaceae | |
| Ruellia tweediana* | Ruellia malacosperma* (auct. non Green - in Qld.) | Cornaceae | |
| Rulingia dasyphylla | Rulingia pannosa | Sterculiaceae | Byttneriaceae |
| Rulingia spp. | Rulingia spp. | Sterculiaceae | Byttneriaceae |
| Rutidosis crispata | Rutidosis sp. Theodore | Asteraceae | |
| Rutidosis glandulosa | Rutidosis sp. Blackdown Tableland | Asteraceae | |
| Rutidosis glandulosa | Rutidosis sp. Q2 aff. murchisonii | Asteraceae | |
| Rutidosis helichrysoides ssp. acutiglumis | Rutidosis acutiglumis | Asteraceae | |
| Rutidosis lanata | Rutidosis sp. Jackson | Asteraceae | |
| S | TOP | ||
| Sagittaria platyphylla* | Sagittaria graminea v. platyphylla* | Alismataceae | |
| Sagittaria platyphylla* | Sagittaria graminea v. weatherbiana* | Alismataceae | |
| Salacia spp. | Salacia spp. | Hippocrateaceae | Celastraceae |
| Salsola tragus* | Salsola kali ssp. tragus* | Chenopodiaceae | |
| Sambucus nigra* | Sambucus canadensis* | Caprifoliaceae | Sambucaceae |
| Sambucus nigra* | Sambucus nigra ssp. canadensis* | Caprifoliaceae | Sambucaceae |
| Sambucus nigra* | Sambucus nigra v. canadensis* | Caprifoliaceae | Sambucaceae |
| Sambucus spp. | Sambucus spp. | Caprifoliaceae | Sambucaceae |
| Samolus spp. | Samolus spp. | Primulaceae | Samolaceae |
| Sankowskya stipularis | Dissiliaria sp. Rex Range | Euphorbiaceae | Picrodendraceae |
| Sankowskya stipularis | Sankowskya stipularis | Euphorbiaceae | Picrodendraceae |
| Sannantha angusta | Babingtonia angusta | Myrtaceae | |
| Sannantha angusta | Baeckea sp. Clarence River | Myrtaceae | |
| Sannantha bidwillii | Babingtonia bidwillii | Myrtaceae | |
| Sannantha brachypoda | Babingtonia brachypoda | Myrtaceae | |
| Sannantha collina | Babingtonia collina | Myrtaceae | |
| Sannantha papillosa | Babingtonia papilosa | Myrtaceae | |
| Sannantha similis | Babingtonia similis | Myrtaceae | |
| Sannantha tozerensis | Babingtonia tozerensis | Myrtaceae | |
| Sannantha tozerensis | Baeckea sp. Mt. Tozer | Myrtaceae | |
| Sarcochilus argochilus | Sarcochilus olivaceus (auct. non Lindl - in Qld.) | Orchidaceae | |
| Sarcochilus parviflorus | Sarcochilus olivaceus | Orchidaceae | |
| Sarcocornia quinqueflora | Salicornia quinqueflora | Chenopodiaceae | |
| Sarcolobus hullsii | Marsdenia hullsii | Asclepiadaceae | Apocynaceae |
| Sarcomelicope simplicifolia | Acronychia simplicifolia | Rutaceae | |
| Sarcomelicope simplicifolia | Bauerella simplicifolia | Rutaceae | |
| Sarcostemma viminale ssp. australe | Sarcostemma australe | Asclepiadaceae | Apocynaceae |
| Sarcostemma viminale ssp. brunonianum | Sarcostemma australe (east. Qld) | Asclepiadaceae | Apocynaceae |
| Sarcostemma viminale ssp. brunonianum | Sarcostemma brunonianum | Asclepiadaceae | Apocynaceae |
| Sarga angustum | Sorghum angustum | Poaceae | |
| Sarga leiocladum | Sorghum leiocladum | Poaceae | |
| Sarga plumosum | Sorghum grande | Poaceae | |
| Sarga plumosum | Sorghum interjectum | Poaceae | |
| Sarga plumosum | Sorghum plumosum | Poaceae | |
| Sarga plumosum | Sorghum plumosum v. plumosum | Poaceae | |
| Sarga plumosum | Sorghum plumosum v. teretifolium | Poaceae | |
| Sarga timorense | Sorghum amplum | Poaceae | |
| Sarga timorense | Sorghum brachypodum | Poaceae | |
| Sarga timorense | Sorghum brevicallosum | Poaceae | |
| Sarga timorense | Sorghum ecarinatum | Poaceae | |
| Sarga timorense | Sorghum matarankense | Poaceae | |
| Sarga timorense | Sorghum stipoideum | Poaceae | |
| Sarga timorense | Sorghum timorense | Poaceae | |
| Sargassum brachyphyllum | Sargassum spinifex (auct. non C. Agardh.) | Phaeophyceae | |
| Sauropus albiflorus | Phyllanthus albiflorus | Euphorbiaceae | Phyllanthaceae |
| Sauropus anemoniflorus | Sauropus sp. Hidden Valley | Euphorbiaceae | Phyllanthaceae |
| Sauropus convallarioides | Phyllanthus sp. Iron Range | Euphorbiaceae | Phyllanthaceae |
| Sauropus hirtellus | Phyllanthus hirtellus | Euphorbiaceae | Phyllanthaceae |
| Sauropus hirtellus | Sauropus thesioides | Euphorbiaceae | Phyllanthaceae |
| Sauropus sphenophyllus | Phyllanthus sp. Iron Range | Euphorbiaceae | Phyllanthaceae |
| Sauropus sphenophyllus | Sauropus convallarioides | Euphorbiaceae | Phyllanthaceae |
| Sauropus sphenophyllus | Sauropus sp. Iron Range | Euphorbiaceae | Phyllanthaceae |
| Sauropus spp. | Sauropus spp. | Euphorbiaceae | Phyllanthaceae |
| Scaevola amblyanthera v. amblyanthera | Scaevola amblyanthera (in Qld.) | Goodeniaceae | |
| Schelhammera spp. | Schelhammera spp. | Liliaceae | Convallariaceae |
| Schenkia australis | Centaurium spicatum (auct. non (L.)Fritsch ex E.Jensen) | Gentianaceae | |
| Schenkia australis | Centaurium spicatum (incorrectly applied) | Gentianaceae | |
| Schenkia australis | Erythraea australis | Gentianaceae | |
| Schizaea bifida | Schizaea asperula | Schizaeaceae | |
| Schoenia ramosissima | Helichrysum semifertile | Asteraceae | |
| Schoenus lepidosperma ssp. pachylepis | Schoenus pachylepis | Cyperaceae | |
| Scleria corymbosa | Scleria corymbosa (new record for Qld.) | Cyperaceae | |
| Sclerolaena deserticola | Sclerolaena deserticola (newly recorded for Qld.) | Chenopodiaceae | |
| Selaginella andrewsii | Selaginella sp. Tallebudgera Creek | Selaginellaceae | |
| Selaginella bakeriana | Selaginella australiensis v. leptostachya | Selaginellaceae | |
| Selaginella bakeriana | Selaginella leptostachya | Selaginellaceae | |
| Selaginella longiciliata | Selaginella sp. A in Andrews' "Ferns of Queensland" | Selaginellaceae | |
| Selaginella pygmaea | Selaginella sp. Cape York | Selaginellaceae | |
| Senecio bathurstianus (reinstated) | Senecio hispidulus v. dissectus | Asteraceae | |
| Senecio distalilobatus | Senecio sp. Mt. Mowbullan | Asteraceae | |
| Senecio esleri | Senecio brevitubulus | Asteraceae | |
| Senecio esleri | Senecio sp. Cooroy | Asteraceae | |
| Senecio gregorii (reinstated) | Othonna gregorii | Asteraceae | |
| Senecio hispidulus | Senecio hispidulus v. hispidulus | Asteraceae | |
| Senecio lanibracteus | Senecio cunninghamii v. serratus | Asteraceae | |
| Senecio longicollaris | Senecio sp. Main Range | Asteraceae | |
| Senecio nigraphicus | Senecio sp. Bunya Mountains | Asteraceae | |
| Senecio pinnatifolius v. pinnatifolius | Senecio lautus (auct. non G. Forst.: G. Benth. & F.M.Bailey) | Asteraceae | |
| Senecio pinnatifolius v. serratus | Senecio pinnatifolius (new var.) | Asteraceae | |
| Senecio prenanthoides | Senecio sp. Blackdown Tableland | Asteraceae | |
| Senecio prenanthoides | Senecio sp. E in Flora of NSW | Asteraceae | |
| Senecio prenanthoides | Senecio sp. Enoggera | Asteraceae | |
| Senecio queenslandicus | Senecio sp. Tara | Asteraceae | |
| Senecio scabrellus | Senecio sp. Mt. Huntley | Asteraceae | |
| Senecio serratus | Senecio sp. Birdsville | Asteraceae | |
| Senecio tuberculatus | Senecio murrayanus (auct. non Wawra: Qld. Herbarium) | Asteraceae | |
| Senna acclinis | Cassia acclinis | Caesalpiniaceae | |
| Senna aciphylla | Cassia aciphylla | Caesalpiniaceae | |
| Senna artemisioides ssp. artemisioides | Cassia artemisioides | Caesalpiniaceae | |
| Senna artemisioides ssp. coriacea | Cassia coriacea | Caesalpiniaceae | |
| Senna artemisioides ssp. coriacea | Cassia nemophila v. nemophila | Caesalpiniaceae | |
| Senna artemisioides ssp. helmsii | Cassia helmsii | Caesalpiniaceae | |
| Senna artemisioides ssp. oligophylla | Cassia oligophylla | Caesalpiniaceae | |
| Senna artemisioides ssp. petiolaris | Cassia phyllodinea | Caesalpiniaceae | |
| Senna artemisioides ssp. sturtii | Cassia sturtii | Caesalpiniaceae | |
| Senna artemisioides ssp. zygophylla | Cassia nemophila v. zygophylla | Caesalpiniaceae | |
| Senna barclayana | Cassia barclayana | Caesalpiniaceae | |
| Senna barronfieldii | Cassia australis (illegitimate name) | Caesalpiniaceae | |
| Senna barronfieldii | Cassia barronfieldii | Caesalpiniaceae | |
| Senna barronfieldii | Senna odorata | Caesalpiniaceae | |
| Senna circinnata | Cassia circinnata | Caesalpiniaceae | |
| Senna circinnata | Senna artemisioides ssp. circinnata | Caesalpiniaceae | |
| Senna coronilloides | Cassia coronilloides | Caesalpiniaceae | |
| Senna costata | Cassia costata | Caesalpiniaceae | |
| Senna didymobotrya* | Cassia didymobotrya* | Caesalpiniaceae | |
| Senna floribunda* | Cassia floribunda* | Caesalpiniaceae | |
| Senna glutinosa ssp. glutinosa | Cassia glutinosa | Caesalpiniaceae | |
| Senna glutinosa ssp. luerssenii | Cassia luerssenii | Caesalpiniaceae | |
| Senna glutinosa ssp. pruinosa | Cassia pruinosa | Caesalpiniaceae | |
| Senna leptoclada | Cassia leptoclada | Caesalpiniaceae | |
| Senna magnifolia | Cassia magnifolia | Caesalpiniaceae | |
| Senna notabilis | Cassia notabilis | Caesalpiniaceae | |
| Senna odorata | Cassia odorata | Caesalpiniaceae | |
| Senna pendula v. glabrata* | Cassia coluteoides* | Caesalpiniaceae | |
| Senna planitiicola | Cassia planitiicola | Caesalpiniaceae | |
| Senna pleurocarpa | Cassia pleurocarpa | Caesalpiniaceae | |
| Senna timorensis | Cassia timorensis | Caesalpiniaceae | |
| Senna venusta | Cassia venusta | Caesalpiniaceae | |
| Seringia arborescens | Seringia arborescens | Sterculiaceae | Byttneriaceae |
| Seringia corollata | Keraudrenia corollata v corollata | Sterculiaceae | Byttneriaceae |
| Seringia hillii | Keraudrenia hillii | Sterculiaceae | Byttneriaceae |
| Seringia hillii | Keraudrenia hillii v. hillii | Sterculiaceae | Byttneriaceae |
| Seringia hillii | Keraudrenia hillii v. velutina | Sterculiaceae | Byttneriaceae |
| Sersalisia sericea | Pouteria sericea | Sapotaceae | |
| Sersalisia unmackiana | Pouteria unmackiana | Sapotaceae | |
| Shonia carinata | Beyeria sp. Bull Creek Gorge | Euphorbiaceae | |
| Shonia tristigma | Beyeria tristigma | Euphorbiaceae | |
| Sida atherophora | Sida atherophora ssp. atherophora | Malvaceae | |
| Sida hackettiana | Sida subspicata nom. illeg. | Malvaceae | |
| Sida magnifica | Sida atherophora ssp. magnifica | Malvaceae | |
| Sigesbeckia fugax | Sigesbeckia sp. Q1. | Asteraceae | |
| Silene gallica* | Silene gallica v. gallica* | Caryophyllaceae | |
| Solanum ammophilum | Solanum coactiliferum (auct. non J.M.Black: Qld. Herbarium) | Solanaceae | |
| Solanum ammophilum | Solanum sp. Charleville | Solanaceae | |
| Solanum coracinum | Solanum sp. aff. semiarmatum | Solanaceae | |
| Solanum coracinum | Solanum sp.3 in Stanley & Ross | Solanaceae | |
| Solanum dissectum | Solanum sp. Duaringa | Solanaceae | |
| Solanum ditrichum | Solanum sp. Mt. Maroon | Solanaceae | |
| Solanum dryanderense | Solanum sp. Mt. Dryander | Solanaceae | |
| Solanum echinatum (reinstated) | Solanum seitheae | Solanaceae | |
| Solanum ellipticum | Solanum cleistogamum | Solanaceae | |
| Solanum ellipticum | Solanum sp. Bamaga | Solanaceae | |
| Solanum ellipticum | Solanum sp. Newcastle Range | Solanaceae | |
| Solanum galbinum | Solanum sp. Mt. Coolum | Solanaceae | |
| Solanum graniticum | Solanum sp. Gloucester Island | Solanaceae | |
| Solanum gympiense | Solanum sp. aff. densevestitum | Solanaceae | |
| Solanum gympiense | Solanum sp.2 in Stanley & Ross | Solanaceae | |
| Solanum intonsum | Solanum sp. Font Hills | Solanaceae | |
| Solanum jucundum | Solanum sp. Monto | Solanaceae | |
| Solanum latens | Solanum sp. Kingaroy | Solanaceae | |
| Solanum lycopersicum v. cerasiforme* | Lycopersicon cerasiforme* | Solanaceae | |
| Solanum lycopersicum v. cerasiforme* | Lycopersicon esculentum v. cerasiforme* | Solanaceae | |
| Solanum lycopersicum v. cerasiforme* | Lycopersicon lycopersicum* | Solanaceae | |
| Solanum lythrocarpum | Solanum sp. Coominglah | Solanaceae | |
| Solanum magnifolium (reinstated) | Solanum dallachii | Solanaceae | |
| Solanum nobile | Solanum sp. aff. cinereum | Solanaceae | |
| Solanum nobile | Solanum sp. Q5 | Solanaceae | |
| Solanum nodiflorum | Solanum americanum | Solanaceae | |
| Solanum nodiflorum | Solanum americanum ssp. nodiflorum | Solanaceae | |
| Solanum nodiflorum | Solanum americanum ssp. nutans | Solanaceae | |
| Solanum pusillum | Solanum sp. Junee Tableland | Solanaceae | |
| Solanum rixosum | Solanum sp. Benarkin / sp.1 in Stanley&Ross | Solanaceae | |
| Solanum serpens | Solanum sp. Lamington | Solanaceae | |
| Solanum stenopterum | Solanum sp. Dalby | Solanaceae | |
| Solanum stupefactum | Solanum sp. Yarraman | Solanaceae | |
| Solanum stupefactum | Solanum sp.4 in Stanley & Ross | Solanaceae | |
| Solanum vicinum | Solanum prinophyllum (northern form) | Solanaceae | |
| Sonchus asper* | Sonchus asper ssp. glaucescens* | Asteraceae | |
| Sonneratia spp. | Sonneratia spp. | Sonneratiaceae | Lythraceae |
| Sowerbaea spp. | Sowerbaea spp. | Liliaceae | Anthericaceae |
| Sparganium spp | Sparganium spp. | Sparganiaceae | Typhaceae |
| Spartothamnella spp. | Spartothamnella spp. | Verbenaceae | Lamiaceae |
| Spathodea campanulata ssp. nilotica* | Spathodea campanulata* | Bignoniaceae | |
| Spergularia bocconei | Spergularia bocconei (newly recognised in Qld) | Caryophyllaceae | |
| Spergularia brevifolia | Spergularia brevifolia (newly recognised in Qld) | Caryophyllaceae | |
| Spermacoce cristulata | Spermacoce sp. Mt. Garnet | Rubiaceae | |
| Spermacoce debilis | Spermacoce sp. Maloneys Springs | Rubiaceae | |
| Spermacoce exilis* | Spermacoce mauritiana* | Rubiaceae | |
| Spermacoce latimarginata | Spermacoce sp. Croydon | Rubiaceae | |
| Spermacoce papuana | Spermacoce sp. Portland Roads | Rubiaceae | |
| Spermacoce platyloba | Spermacoce sp. Doomadgee | Rubiaceae | |
| Spermacoce remota* | Spermacoce assurgens* | Rubiaceae | |
| Spermacoce remota* | Spermacoce sp. Slade Point* | Rubiaceae | |
| Sphaerolobium minus | Sphaerolobium vimineum (in part) | Fabaceae | |
| Sphenostemon lobosporus | Sphenostemon lobosporus | Aquifoliaceae | Sphenostemonaceae |
| Spinifex sericeus | Spinifex hirsutus | Poaceae | |
| Spiraeanthemum davidsonii | Acsmithia davidsonii | Cunoniaceae | |
| Spiranthes australis | Neottia australis | Orchidaceae | |
| Spiranthes australis | Spiranthes sinensis (Aust. authors auct.non [Pers] Ames) | Orchidaceae | |
| Spiranthes australis | Spiranthes sinensis ssp. australis | Orchidaceae | |
| Spirodela spp. | Spirodela spp. | Lemnaceae | Araceae |
| Sporadanthus caudatus | Lepyrodia caudata | Restionaceae | |
| Sporadanthus interruptus | Lepyrodia interrupta | Restionaceae | |
| Sporobolus indicus v. capensis | Sporobolus indicus v. africanus | Poaceae | |
| Sporobolus indicus v. creber | Sporobolus creber | Poaceae | |
| Sporobolus indicus v. flaccidus | Agrostis elongata v. flaccidus | Poaceae | |
| Sporobolus indicus v. flaccidus | Sporobolus diandrus | Poaceae | |
| Sporobolus indicus v. major | Sporobolus diandrus v. major | Poaceae | |
| Sporobolus indicus v. major | Sporobolus fertilis | Poaceae | |
| Sporobolus indicus v. pyramidalis | Sporobolus jacquemontii | Poaceae | |
| Sporobolus indicus v. pyramidalis | Sporobolus pyramidalis | Poaceae | |
| Sporobolus indicus v. queenslandicus | Sporobolus laxus | Poaceae | |
| Sprengelia sprengelioides | Sprengelia sprengelioides | Epacridaceae | Ericaceae |
| Spyridium scortechinii | Cryptandra scortechinii | Rhamnaceae | |
| Stackhousia viminea | Stackhousia flava | Stackhousiaceae | |
| Steganthera cooperorum | Steganthera sp. Davies Creek | Monimiaceae | |
| Steganthera cooperorum | Wilkiea sp. Mt. Lewis | Monimiaceae | |
| Steganthera laxiflora | Kibara laxiflora | Monimiaceae | |
| Steganthera laxiflora | Mollinedia laxiflora | Monimiaceae | |
| Steganthera laxiflora | Tetrasynandra laxiflora | Monimiaceae | |
| Steganthera laxiflora ssp. lewisensis | Tetrasynandra sp. Mt. Lewis | Monimiaceae | |
| Steinchisma hians | Fasciculochloa sparschottianum | Poaceae | |
| Steinchisma hians | Gen. sp. Logan Village | Poaceae | |
| Steinchisma laxa | Cliffordiochloa parvispicula | Poaceae | |
| Stellaria pungens | Stellaria pungens (new record for Qld.) | Caryophyllaceae | |
| Stenanthemum argenteum | Cryptandra sp. Mt. Mulligan | Rhamnaceae | |
| Stenocarpus verticis | Stenocarpus sp. Gordon Creek | Proteaceae | |
| Stephania renifolia | Stephania sp. Eidsvold | Menispermaceae | |
| Stephania tuberosa | Stephania sp. Bamaga | Menispermaceae | |
| Stictocardia queenslandica | Argyreia queenslandica | Convolvulaceae | |
| Stockwellia quadrifida | Eucalyptopsis sp. Q1 (Boonjie) | Myrtaceae | |
| Stockwellia quadrifida | Gen.(Aq95272)sp. (Boonjie) | Myrtaceae | |
| Stockwellia quadrifida | Q2 (Stockwellia ms.) sp. Q1 (Boonjie) | Myrtaceae | |
| Stockwellia quadrifida | Stockwellia sp. Q1 (Boonjie) | Myrtaceae | |
| Streblus brunonianus | Streblus pendulinus | Moraceae | |
| Streblus glaber ssp. australianus | Streblus glaber v. australianus | Moraceae | |
| Strelitzia spp. | Strelitzia spp. | Musaceae | Strelitziaceae |
| Streptothamnus moorei | Streptothamnus moorei | Flacourtiaceae | Berberidopsidaceae |
| Strychnos psilosperma | Strychnos axillaris | Strychnaceae | Loganiaceae |
| Strychnos spp. | Strychnos spp. | Strychnaceae | Loganiaceae |
| Stylidium austrocapense | Stylidium sp. Musgrave | Stylidiaceae | |
| Stylidium delicatum | Stylidium sp. Q1 aff. floodii | Stylidiaceae | |
| Stylidium delicatum | Stylidium sp. Sanamere Lagoon | Stylidiaceae | |
| Stylidium foveolatum | Stylidium sp. Skardon River | Stylidiaceae | |
| Stylidium leiophyllum | Stylidium sp. Big Coleman River | Stylidiaceae | |
| Stylidium paniculatum | Stylidium debile v. paniculatum | Stylidiaceae | |
| Stylidium paniculatum | Stylidium sp. Dalveen | Stylidiaceae | |
| Stylidium ramosissimum | Stylidium sp. Laura | Stylidiaceae | |
| Stylidium velleioides | Stylidium sp. Mt. Garnet | Stylidiaceae | |
| Stypandra glauca | Stypandra glauca | Phormiaceae | Hemerocallidaceae |
| Styphelia triflora | Styphelia triflora | Epacridaceae | Ericaceae |
| Styphelia viridis ssp. breviflora | Styphelia viridis v. breviflora | Epacridaceae | Ericaceae |
| Sundacarpus amarus | Podocarpus amarus | Podocarpaceae | |
| Sundacarpus amarus | Prumnopitys amara | Podocarpaceae | |
| Swainsona affinis | Swainsona microphylla ssp. affinis | Fabaceae | |
| Swainsona purpurea | Swainsona stipularis v. purpurea | Fabaceae | |
| Sylvipoa queenslandica | Poa queenslandica | Poaceae | |
| Symplocos graniticola | Symplocos sp. Mt. Lewis | Symplocaceae | |
| Symplocos harroldii | Symplocos sp. Bahrs Scrub | Symplocaceae | |
| Syncarpia verecunda | Syncarpia sp. Ravensbourne | Myrtaceae | |
| Synima reynoldsiae | Sarcotoechia sp. (Mountain Sarcotoechia) | Sapindaceae | |
| Synima reynoldsiae | Sarcotoechia sp. Mt. Carbine | Sapindaceae | |
| Synoum glandulosum ssp. paniculosum | Synoum glandulosum ssp. Davies Creek | Meliaceae | |
| Synoum glandulosum ssp. paniculosum | Synoum glandulosum v. paniculosum | Meliaceae | |
| Synoum glandulosum ssp. paniculosum | Synoum muelleri | Meliaceae | |
| Syzygium australe | Eugenia australis | Myrtaceae | |
| Syzygium cryptophlebium | Eugenia cryptophlebia | Myrtaceae | |
| Syzygium cryptophlebium | Eugenia macoorai | Myrtaceae | |
| Syzygium cryptophlebium | Eugenia rhadinantha | Myrtaceae | |
| Syzygium cryptophlebium | Eugenia sordida | Myrtaceae | |
| Syzygium cryptophlebium | Syzygium wilsonii ssp. cryptophlebium | Myrtaceae | |
| Syzygium glenum | Acmena sp. Cooper Creek | Myrtaceae | |
| Syzygium johnsonii | Eugenia petriei | Myrtaceae | |
| Syzygium luehmannii | Eugenia luehmannii | Myrtaceae | |
| Syzygium monimioides | Acmena sp. Mt. Misery | Myrtaceae | |
| Syzygium monimioides | Syzygium sp. East Normanby River | Myrtaceae | |
| Syzygium monospermum | Syzygium sp. Noah Creek | Myrtaceae | |
| Syzygium monospermum | Syzygium sp. Q1 (aff. erythrocalyx) | Myrtaceae | |
| Syzygium oleosum | Eugenia cyanocarpa | Myrtaceae | |
| Syzygium oleosum | Syzygium coolminianum | Myrtaceae | |
| Syzygium wilsonii ssp. epigaeum | Syzygium wilsonii (new subsp.) | Myrtaceae | |
| Syzygium wilsonii ssp. wilsonii | Eugenia wilsonii | Myrtaceae | |
| T | TOP | ||
| Tabernaemontana orientalis | Ervatamia orientalis | Apocynaceae | |
| Tabernaemontana orientalis | Ervatamia pubescens | Apocynaceae | |
| Tabernaemontana pandacaqui | Ervatamia angustisepala | Apocynaceae | |
| Tapeinochilos ananasse | Tapeinochilos ananassae | Zingiberaceae | Costaceae |
| Tarenna dallachiana ssp. expandens | Ixora expandens | Rubiaceae | |
| Tarenna triflora | Diplospora triflora | Rubiaceae | |
| Tecoma stans v. stans* | Tecoma stans* | Bignoniaceae | |
| Tecoma stans v. velutina* | Tecoma stans* | Bignoniaceae | |
| Tecomaria capensis ssp. capensis* | Tecomaria capensis* in Qld. | Bignoniaceae | |
| Tecticornia cupuliformis | Halosarcia cupuliformis | Chenopodiaceae | |
| Tecticornia halocnemoides | Halosarcia halocnemoides | Chenopodiaceae | |
| Tecticornia halocnemoides ssp. longispicata | Halosarcia halocnemoides ssp. longispicata | Chenopodiaceae | |
| Tecticornia halocnemoides ssp. tenuis | Halosarcia halocnemoides ssp. tenuis | Chenopodiaceae | |
| Tecticornia indica | Halosarcia indica | Chenopodiaceae | |
| Tecticornia indica ssp. indica | Halosarcia indica ssp. indica | Chenopodiaceae | |
| Tecticornia indica ssp. julacea | Halosarcia indica ssp. julacea | Chenopodiaceae | |
| Tecticornia indica ssp. leiostachya | Halosarcia indica ssp. leiostachya | Chenopodiaceae | |
| Tecticornia medullosa | Sclerostegia medullosa | Chenopodiaceae | |
| Tecticornia pergranulata | Halosarcia pergranulata | Chenopodiaceae | |
| Tecticornia pergranulata ssp. divaricata | Halosarcia pergranulata ssp. divaricata | Chenopodiaceae | |
| Tecticornia pergranulata ssp. elongata | Halosarcia pergranulata ssp. elongata | Chenopodiaceae | |
| Tecticornia pergranulata ssp. pergranulata | Halosarcia pergranulata ssp. pergranulata | Chenopodiaceae | |
| Tecticornia pergranulata ssp. queenslandica | Halosarcia pergranulata ssp. queenslandica | Chenopodiaceae | |
| Tecticornia tenuis | Sclerostegia tenuis | Chenopodiaceae | |
| Tecticornia triandra | Pachycornia triandra | Chenopodiaceae | |
| Tephrosia gyrocarpa | Tephrosia gyrocarpa (newly recorded for Qld.) | Fabaceae | |
| Tephrosia lasiochlaena | Lespedeza lanata | Fabaceae | |
| Ternstroemia cherryi | Ternstroemia cherryi | Theaceae | Pentaphylacaceae |
| Tetrardisia bifaria | Ardisia bifaria | Myrsinaceae | |
| Tetratheca thymifolia | Tetratheca thymifolia | Tremandraceae | Elaeocarpaceae |
| Thaleropia queenslandica | Metrosideros queenslandicus | Myrtaceae | |
| Thelionema spp. | Thelionema spp. | Phormiaceae | Hemerocallidaceae |
| Themeda triandra | Themeda australis | Poaceae | |
| Thysanotus spp. | Thysanotus spp. | Liliaceae | Anthericaceae |
| Tinospora esiangkara | Limacia esiangkara | Menispermaceae | |
| Tinospora esiangkara | Tinospora angusta | Menispermaceae | |
| Toona ciliata | Toona australis | Meliaceae | |
| Trachymene bivestita ssp. bivestita | Trachymene bivestita (new subsp.) | Apiaceae | Araliaceae |
| Trachymene bivestita ssp. pterocarpa | Trachymene bivestita (new subsp.) | Apiaceae | Araliaceae |
| Trachymene incisa ssp. incisa | Trachymene incisa (in Qld.) | Apiaceae | Araliaceae |
| Trema tomentosa | Trema aspera | Ulmaceae | |
| Trema tomentosa v. aspera | Trema tomentosa v. viridis (invalid name) | Ulmaceae | |
| Trichospermum pleiostigma | Trichospermum pleiostigma | Tiliaceae | Sparrmanniaceae |
| Tricoryne spp. | Tricoryne spp. | Anthericaceae | Johnsoniaceae |
| Triflorensia australis | Diplospora australis | Rubiaceae | |
| Triflorensia cameronii | Diplospora cameronii | Rubiaceae | |
| Triflorensia ixoroides | Diplospora ixoroides | Rubiaceae | |
| Triflorensia ixoroides | Ixora triflora | Rubiaceae | |
| Triglochin microtuberosum | Triglochin procerum B | Juncaginaceae | |
| Triglochin multifructum | Triglochin procerum A | Juncaginaceae | |
| Triglochin rheophilum | Triglochin procerum D | Juncaginaceae | |
| Trimenia moorei | Piptocalyx moorei | Trimeniaceae | |
| Triodia claytonii | Plectrachne mollis | Poaceae | |
| Triodia claytonii | Triodia mollis | Poaceae | |
| Triodia scariosa ssp. yelarbonensis | Triodia irritans v. laxispicata | Poaceae | |
| Trioncinia retroflexa | Glossogyne retroflexa | Asteraceae | |
| Tripladenia cunninghamii | Kreysigia multiflora | Liliaceae | Convallariaceae |
| Tripladenia cunninghamii | Kreysigia tripladenia | Liliaceae | Convallariaceae |
| Triplarina paludosa | Baeckea sp. Stony Creek Falls | Myrtaceae | |
| Triplarina volcanica | Baeckea sp.2 in Stanley & Ross | Myrtaceae | |
| Triplarina volcanica ssp. borealis | Baeckea sp. Mt. Walsh | Myrtaceae | |
| Triplarina volcanica ssp. volcanica | Baeckea sp. Mt. Ngungun | Myrtaceae | |
| Triptilodiscus pygmaeus | Helipterum australe | Asteraceae | |
| Tristaniopsis collina | Tristania collina | Myrtaceae | |
| Tristaniopsis exiliflora | Tristania exiliflora | Myrtaceae | |
| Tristaniopsis laurina | Tristania laurina | Myrtaceae | |
| Tritonia gladiolaris * | Tritonia lineata* ( newly synonymised) | Iridaceae | |
| Triumfetta mellina | Triumfetta sp. Hells Gate | Tiliaceae | Sparrmanniaceae |
| Triumfetta pannosa | Triumfetta sp. Surprise Creek | Tiliaceae | Sparrmanniaceae |
| Triumfetta rupestris | Triumfetta sp. Cloncurry | Tiliaceae | Sparrmanniaceae |
| Triumfetta spp. | Triumfetta spp. | Tiliaceae | Sparrmanniaceae |
| Trophis scandens ssp. scandens | Malaisia scandens | Moraceae | |
| Turraea pubescens | Turraea brownii | Meliaceae | |
| Tylophora cinerascens | Marsdenia cinerascens | Asclepiadaceae | Apocynaceae |
| Tylophora rupicola | Tylophora sp. aff. flexuosa | Asclepiadaceae | Apocynaceae |
| Typhonium angustilobium | Typhonium millarii | Araceae | |
| U | TOP | ||
| Urochloa fusca | Brachiaria fasciculata v.reticulata | Poaceae | |
| Urochloa fusca | Urochloa fasciculata v. reticulata | Poaceae | |
| Uromyrtus lamingtonensis | Uromyrtus sp. McPherson Ra. & Q2 | Myrtaceae | |
| Uromyrtus tenella | Uromyrtus sp. Tinaroo Range & Q1 | Myrtaceae | |
| V | TOP | ||
| Vacoparis laxiflorum | Sorghum laxiflorum | Poaceae | |
| Vandenboschia johnstonensis | Crepidomanes johnstonense | Hymenophyllaceae | |
| Vandenboschia johnstonensis | Trichomanes johnstonense | Hymenophyllaceae | |
| Vanroyena castanosperma | Pouteria castanosperma | Sapotaceae | |
| Verbena gaudichaudii | Verbena officinalis v. gaudichaudii | Verbenaceae | |
| Verbena litoralis v. brevibracteata* | Verbena litoralis v. brasiliensis* | Verbenaceae | |
| Vernicia fordii * | Aleurites fordii * | Euphorbiaceae | |
| Veronica grosseserrata | Veronica sp. Wilson's Peak | Scrophulariaceae | |
| Viola banksii | Viola (new species) | Violaceae | |
| Viola silicestris | Viola sp. Lamington NP | Violaceae | |
| Vitex lignum-vitae | Premna lignum-vitae | Verbenaceae | Lamiaceae |
| Vitex melicopea | Vitex acuminata (cent. & sth. Qld) | Verbenaceae | Lamiaceae |
| Vitex queenslandica | Viticipremna queenslandica | Lamiaceae | |
| Vitex rotundifolia | Vitex ovata | Verbenaceae | Lamiaceae |
| Vitex spp. | Vitex spp. | Verbenaceae | Lamiaceae |
| W | TOP | ||
| Waltheria indica | Waltheria indica | Sterculiaceae | Byttneriaceae |
| Walwhalleya proluta | Whalleya proluta | Poaceae | |
| Walwhalleya subxerophila | Whalleya subxerophila | Poaceae | |
| Waterhousia floribunda | Eugenia ventenattii | Myrtaceae | |
| Waterhousia floribunda | Syzygium floribundum | Myrtaceae | |
| Whalleya proluta | Homopholis proluta | Poaceae | |
| Whyanbeelia terrae-reginae | Whyanbeelia terrae-reginae | Euphorbiaceae | Picrodendraceae |
| Wilkiea cordata | Wilkiea sp. Barong | Monimiaceae | |
| Wilkiea hylandii | Wilkiea sp. McIlwraith Range | Monimiaceae | |
| Wilkiea longipes | Kibara longipes | Monimiaceae | |
| Wilkiea longipes | Mollinedia longipes | Monimiaceae | |
| Wilkiea longipes | Tetrasynandra longipes | Monimiaceae | |
| Wilkiea pubescens | Kibara pubescens | Monimiaceae | |
| Wilkiea pubescens | Mollinedia pubescens | Monimiaceae | |
| Wilkiea pubescens | Tetrasynandra pubescens | Monimiaceae | |
| Wilkiea rigidifolia | Kibara rigidifolia | Monimiaceae | |
| Wilkiea smithii | Wilkiea sp. Mt. Molloy | Monimiaceae | |
| Wolffia angusta | Wolffia angusta | Lemnaceae | Araceae |
| Woollsia pungens | Woollsia pungens | Epacridaceae | Ericaceae |
| X | TOP | ||
| Xanthophyllum spp. | Xanthophyllum spp. | Xanthophyllaceae | Polygalaceae |
| Xerochrysum bracteatum | Bracteantha bracteata | Asteraceae | |
| Xerochrysum bracteatum | Bracteantha sp. Moonie | Asteraceae | |
| Xerochrysum bracteatum | Bracteantha sp. Q5 (aff. bracteata, inland form or species) | Asteraceae | |
| Xerochrysum bracteatum | Helichrysum bracteatum | Asteraceae | |
| Xerochrysum bracteatum | Helichrysum sp.Q9 (aff. bracteatum) | Asteraceae | |
| Xerochrysum subundulatum | Bracteantha sp. Blackfellows Gap | Asteraceae | |
| Xerochrysum subundulatum | Xerochrysum sp. Blackfellows Gap | Asteraceae | |
| Xerochrysum viscosum | Bracteantha viscosa | Asteraceae | |
| Xerochrysum viscosum | Helichrysum viscosum | Asteraceae | |
| Xylomelum benthamii | Xylomelum pyriforme v. salicinum | Proteaceae | |
| Y | TOP | ||
| Z | TOP | ||
| Zephyranthes carinata* | Zephyranthes grandiflora* | Amaryllidaceae | |
| Zieria actites | Zieria sp. Mt. Larcom | Rutaceae | |
| Zieria bifida | Zieria sp. Brolga Park | Rutaceae | |
| Zieria cephalophila | Zieria sp. Sydney Head | Rutaceae | |
| Zieria exsul | Zieria sp. Mooloolaba | Rutaceae | |
| Zieria fraseri ssp. robusta | Zieria compacta v. glabrata | Rutaceae | |
| Zieria fraseri ssp. robusta | Zieria compacta v. robusta | Rutaceae | |
| Zieria graniticola | Zieria sp. Amiens | Rutaceae | |
| Zieria hygroscopica | Zieria sp. Coominglah | Rutaceae | |
| Zieria madida | Zieria sp. Pieter Botte | Rutaceae | |
| Zieria madida | Zieria sp. Thornton Peak | Rutaceae | |
| Zieria scopulus | Zieria sp. Flinders Peak | Rutaceae | |
| Zieria tenuis | Zieria sp. White Mt. | Rutaceae | |
| Zieria vagans | Zieria sp. Binjour | Rutaceae | |
| Zieria whitei | Zieria aspalathoides v. intermedia | Rutaceae | |
| Zostera muelleri ssp. capricorni | Zostera capricorni | Zosteraceae |
