La liste des espèces de plantes menacées en Australie ci-dessous comprend toutes les espèces végétales énumérées comme gravement menacées ou en danger critique d'extinction en Australie selon l’Environment Protection and Biodiversity Conservation Act 1999.
En danger critique d'extinction Espèce Nom commun anglais Localisation(s) Abutilon julianaeNorfolk Island AbutilonÎle Norfolk Acacia sp. Graveside Gorge (V.J.Levitzke 806) NT Herbarium buisson NT Achyranthes arborescensChaff Tree, Soft-woodÎle Norfolk Achyranthes margaretarum Île Norfolk Arachnorchis actensisCanberra Spider-orchidACT Argentipallium spiceriSpicer's EverlastingTAS Arthrochilus huntianus subsp. nothofagicolaMyrtle Elbow OrchidTAS Asplenium listeriChristmas Island SpleenwortÎle Christmas Barbarea australisNative WintercressTAS Boehmeria australis var. australisTree Nettle, NettletreeÎle Norfolk Caladenia anthracinaBlack-tipped Spider-orchidTAS Caladenia campbelliiThick-stem CaladeniaTAS Caladenia dienemaWindswept Spider-orchidTAS Caladenia lindleyanaLindley's Spider-orchidTAS Caladenia pallidaRosy Spider-orchid, Pale Spider-orchid, Summer Spider-orchidTAS Caladenia saggicolaSagg Spider-orchidTAS Caladenia sp. aff. venustaKilsyth South Spider-orchidVIC Caladenia sylvicolaForest FingersTAS Caladenia tonelliiRobust FingersTAS Calystegia affinisplante rampanteNSW Clematis dubiaplante rampanteÎle Norfolk Corunastylis ectopaBrindabella Midge-orchid, Ectopic Midge-orchidACT Eidothea hardenianaNightcap OakNSW Elatostema montanumMountain ProcrisÎle Norfolk Elymus multiflorus var. kingianusPhillip Island Wheat-grassACT, NSW Epacris barbataBearded Heath, Freycinet HeathTAS Epacris limbataBorder HeathTAS Epacris stuartiiStuart's HeathTAS Euphorbia norfolkianabuisson, Norfolk Island EuphorbiaÎle Norfolk Euphrasia fragosaShy Eyebright, Southport EyebrightTAS Euphrasia gibbsiae subsp. psilantherea herbeTAS Genoplesium firthiiFirth's Midge-orchidTAS Gyrostemon reticulatusNet-veined GyrostemonWA Haloragis platycarpaBroad-fruited HaloragisWA Hibiscus insularisPhillip Island HibiscusÎle Norfolk Hydatella leptogyneFew-flowered HydatellaWA Lomatia tasmanicaKing's LomatiaTAS Melicytus latifoliusNorfolk Island MahoeÎle Norfolk Meryta latifoliaShade Tree, Broad-leaved MerytaÎle Norfolk Muehlenbeckia horrida subsp. abdita Remote Thorny Lignum WA Myoporum obscurumPopwood, Sandalwood, Bastard IronwoodÎle Norfolk Persoonia paucifloraNorth Rothbury PersooniaNSW Phebalium daviesiiDavies' Waxflower, St Helens WaxflowerTAS Philotheca freycianaFreycinet WaxflowerTAS Phreatia limenophylaxNorfolk Island PhreatiaÎle Norfolk Pimelea spinescens subsp. spinescensPlains Rice-flower, Spiny Rice-flower, Prickly PimeleaVIC Pneumatopteris truncatafougèreÎle Christmas Prasophyllum castaneumChestnut Leek-orchidTAS Prasophyllum favoniumWestern Leek-orchidTAS Prasophyllum milfordenseMilford Leek-orchidTAS Prasophyllum olidumPungent Leek-orchidTAS Prasophyllum perangustumKnocklofty Leek-orchidTAS Prasophyllum pulchellumPretty Leek-orchidTAS Prasophyllum robustumRobust Leek-orchidTAS Prasophyllum stellatumBen Lomond Leek-orchidTAS Pterostylis commutataMidland GreenhoodTAS Pterostylis wapstrarumFleshy GreenhoodTAS Pultenaea sp. Genowlan PointGenowlan Point PultenaeaNSW Sagina diemensisPearlwortTAS Tetratheca gunniiShy SusanTAS Thelymitra jonesiiSky-blue Sun-orchidTAS Wikstroemia australisKurrajongÎle Norfolk
Gravement menacées