- Extinct in the wild (EW): 45 species
- Critically endangered (CR): 5,702 species
- Endangered (EN): 10,901 species
- Vulnerable (VU): 9,673 species
- Near threatened (NT, LR/cd): 4,160 species
- Least concern (LC): 30,554 species
- Data deficient (DD): 5,371 species
- 66,406 extant species have been evaluated
- 61,035 of those are fully assessed
- 34,588 are not threatened at present
- 26,276 are threatened
- 174 are extinct or extinct in the wild:
- 129 extinct (EX) species
- 45 extinct in the wild (EW)
- 569 possibly extinct
- 48 possibly extinct in the wild
- excludes data deficient evaluations.
- NT, LR/cd, LC.
- Threatened comprises CR, EN and VU.
- Chart omits extinct (EX) species
As of September 2016, the International Union for Conservation of Nature (IUCN) lists 116 extinct species, 132 possibly extinct species, 35 extinct in the wild species, 13 possibly extinct in the wild species, five extinct subspecies, one extinct in the wild subspecies, and four extinct varieties of plant.
Algae
Extinct species:
- Vanvoorstia bennettiana, Bennett's seaweed
Possibly extinct species:
Bryophytes
There are three bryophyte extinct species evaluated by the IUCN.
Mosses
Extinct species:
Pteridophytes
Extinct species:
Possibly extinct species:
- Blotiella coriacea
- Ctenitis pallatangana
- Diplazium ulugurense
- Elaphoglossum gracilipes
- Elaphoglossum polytrichum
- Isoetes heldreichii, Pindus quillwort
- Isoetes sinensis
- Melpomene brevipes
Extinct in the wild species
- Diplazium laffanianum, Governor Laffan's fern
Gymnosperms
Possibly extinct species:
- Cycas fugax
- Encephalartos cerinus, Waxen cycad
- Encephalartos hirsutus, Venda cycad
- Encephalartos inopinus, Lydenburg cycad
- Podocarpus perrieri
Extinct in the wild species:
- Encephalartos brevifoliolatus, Escarpment cycad
- Encephalartos nubimontanus, Blue cycad
- Encephalartos relictus
- Encephalartos woodii, Wood's cycad
Dicotyledons
Extinct species:
- Acaena exigua
- Acalypha dikuluwensis
- Acalypha rubrinervis, Stringwood
- Acalypha wilderi
- Achyranthes atollensis
- Argocoffeopsis lemblinii
- Argyroxiphium virescens
- Basananthe cupricola
- Begonia eiromischa, Woolly-stalked begonia
- Blutaparon rigidum, Galapagos amaranth
- Byttneria ivorensis
- Campomanesia lundiana
- Casearia quinduensis
- Casearia tinifolia
- Centaurea pseudoleucolepis
- Chrysophyllum januariense
- Clermontia multiflora
- Cnidoscolus fragrans
- Commidendrum gummiferum
- Corynanthe brachythyrsus
- Cupaniopsis crassivalvis
- Cyanea arborea, Tree cyanea
- Cyanea comata
- Cyanea cylindrocalyx
- Cyanea dolichopoda
- Cyanea eleeleensis
- Cyanea giffardii, Giffard's cyanea
- Cyanea linearifolia
- Cyanea mauiensis
- Cyanea minutiflora
- Cyanea parvifolia
- Cyanea pohaku
- Cyanea pycnocarpa
- Cyanea quercifolia, Oakleaf cyanea
- Cyanea sessilifolia
- Cyrtandra olona
- Delilia inelegans
- Delissea niihauensis
- Delissea subcordata
- Delissea undulata, Undulata delissea
- Dipterocarpus cinereus
- Euphrasia mendoncae
- Fitchia mangarevensis
- Galipea ossana
- Gomidesia cambessedeana
- Guettarda retusa
- Heliotropium pannifolium, St Helena heliotrope
- Hernandia drakeana
- Hibiscadelphus bombycinus, Kawaihae hibiscadelphus
- Hibiscadelphus crucibracteatus
- Hibiscadelphus wilderianus
- Hopea shingkeng
- Kokia lanceolata
- Lepidium amissum, Waitakere scurvy grass
- Lepidium obtusatum
- Licania caldasiana
- Logania depressa
- Madhuca insignis
- Marshallia grandiflora - Appalachian Barbara's buttons
- Melicope cruciata, Cross-bearing pelea
- Melicope haleakalae
- Melicope macropus
- Melicope nealae
- Melicope obovata, Obovate melicope
- Myosotis laingii, Waiautoa forget-me-not
- Myrcia skeldingii
- Nesiota elliptica, Saint Helena olive
- Oldenlandia adscensionis
- Ormosia howii
- Otophora unilocularis
- Pluchea glutinosa
- Pouteria stenophylla
- Pradosia glaziovii
- Pradosia mutisii
- Psiadia schweinfurthii
- Psidium dumetorum
- Sanicula kauaiensis
- Santalum fernandezianum
- Schiedea amplexicaulis
- Sicyos villosus
- Stellaria elatinoides
- Stenocarpus dumbeensis
- Sterculia khasiana
- Streblorrhiza speciosa
- Trilepidea adamsii, Adams mistletoe
- Trochetiopsis melanoxylon, St Helena ebony tree
- Valerianella affinis
- Vernonia sechellensis
- Viola cryana
- Weinmannia spiraeoides
- Wikstroemia hanalei
- Wikstroemia skottsbergiana, Skottsberg's wikstroemia
- Xanthostemon sebertii
Possibly extinct species:
- Aeschynomene ruspoliana
- Aetheolaena hypoleuca
- Aetheolaena ledifolia
- Aetheolaena pichinchensis
- Agelanthus rondensis
- Alnus henryi
- Amsinckia marginata
- Anisopappus burundiensis
- Artemisia kauaiensis
- Aspidostemon inconspicuus
- Aster quitensis
- Baccharis fusca
- Betula gynoterminalis
- Callerya neocaledonica
- Canavalia veillonii
- Centropogon brachysiphoniatus
- Clitoria andrei
- Cotula myriophylloides
- Cyanea kolekoleensis
- Cyrtandra crenata
- Dalea sabinalis, Sabinal prairie-clover
- Delissea takeuchii
- Delonix tomentosa
- Devillea flagelliformis
- Dicoma pretoriensis
- Diospyros katendei
- Dipterocarpus grandiflorus
- Dorstenia bicaudata
- Dubautia kenwoodii
- Egletes humifusa
- Elaphandra retroflexa
- Eugenia albida
- Eugenia guayaquilensis
- Eugenia scheffleri
- Euphorbia alcicornis
- Euphorbia boinensis
- Euphorbia neospinescens
- Euphorbia pirahazo
- Hunteria hexaloba
- Hymenodictyon seyrigii
- Kunkeliella psilotoclada
- Lijndenia brenanii
- Magnolia dixonii
- Magnolia emarginata
- Manettia canescens
- Manettia holwayi
- Matelea ecuadorensis
- Maytenus manabiensis
- Miconia longisetosa
- Miconia scabra
- Mikania iserniana
- Mikania seemannii
- Mimosa kitrokala
- Peperomia dauleana
- Peperomia petraea
- Phyllostegia kahiliensis
- Phyllostegia knudsenii
- Piper molliusculum
- Plectranthus scopulicola
- Polygala quitensis
- Prestonia schumanniana
- Rhynchosia ledermannii
- Senecio navugabensis
- Shorea dispar
- Siphocampylus loxensis
- Solanum semicoalitum
- Stereospermum zenkeri
- Steriphoma urbani
- Tournefortia obtusiflora
- Triaspis schliebenii
- Uvaria decidua
- Vatica xishuangbannaensis
- Viburnum divaricatum
- Xylosma serrata
Extinct in the wild species:
- Betula szaferi
- Brugmansia arborea
- Brugmansia aurea
- Brugmansia insignis
- Brugmansia sanguinea
- Brugmansia suaveolens
- Brugmansia versicolor
- Brugmansia vulcanicola
- Cyanea pinnatifida
- Cyanea superba, Superb cyanea
- Cyrtandra waiolani, Fuzzyflower cyrtandra
- Erythroxylum echinodendron
- Euphorbia mayurnathanii
- Firmiana major
- Franklinia alatamaha, Franklin tree
- Kokia cookei, Cooke's kokio
- Lachanodes arborea, She cabbage tree
- Lysimachia minoricensis
- Mangifera casturi, Kalimantan mango
- Mangifera rubropetala
- Nymphaea thermarum
- Ochrosia brownii
- Rhododendron kanehirai
- Senecio leucopeplus
- Sophora toromiro, Toromiro
- Terminalia acuminata
- Trochetiopsis erythroxylon, St Helena redwood
Possibly extinct in the wild species:
- Cyanea kuhihewa
- Delissea rhytidosperma
- Discocactus subterraneo-proliferans
- Kadua haupuensis
- Kanaloa kahoolawensis
- Magnolia wolfii
- Mirabella estevesii
- Schiedea attenuata
- Silene perlmanii
- Stenogyne bifida
- Stenogyne campanulata
- Stenogyne kanehoana
Extinct subspecies:
- Cyanea copelandii subsp. copelandii
- Cyanea superba subsp. regina
- Delissea subcordata subsp. obtusifolia
- Delissea subcordata subsp. subcordata
- Tetramolopium consanguineum subsp. consanguineum
Extinct in the wild subspecies:
Extinct varieties:
- Euphorbia celastroides var. tomentella
- Euphorbia remyi var. hanaleiensis
- Ryania speciosa var. mutisii
Monocotyledons
Extinct species:
- Cyperus rockii
- Musa fitzalanii
- Govenia floridana
- Oeceoclades seychellarum
- Sporobolus durus
- Podophorus bromoides
Possibly extinct species:
- Aechmea cymosopaniculata
- Aeranthes albidiflora
- Andropogon benthamianus
- Angraecum mahavavense
- Angraecum muscicolum
- Angraecum perhumile
- Angraecum potamophilum
- Angraecum rigidifolium
- Angraecum rubellum
- Angraecum serpens
- Angraecum sterrophyllum
- Benthamia nigro-vaginata
- Bulbophyllum erythroglossum
- Bulbophyllum hirsutiusculum
- Bulbophyllum minax
- Bulbophyllum sanguineum
- Bulbophyllum tampoketsense
- Bulbophyllum zaratananae
- Cynorkis bimaculata
- Cynorkis catatii
- Cynorkis rolfei
- Cynorkis sylvatica
- Cynorkis usambarae
- Cyperus chionocephalus
- Cyperus multifolius
- Diaphananthe orientalis
- Disperis bosseri
- Disperis egregia
- Dypsis brittiana
- Eleocharis lepta
- Eulophia grandidieri
- Guzmania lepidota
- Guzmania poortmanii
- Guzmania striata
- Panicum pearsonii
- Philodendron balaoanum
- Polystachya acuminata
- Polystachya canaliculata
- Polystachya porphyrochila
- Polystachya rugosilabia
- Tridactyle sarcodantha
Extinct in the wild species:
- Bromus bromoideus
- Corypha taliera
- Cryosophila williamsii, Lago Yojoa palm
Possibly extinct in the wild species:
Extinct varieties
See also
- List of least concern plants
- List of near threatened plants
- List of vulnerable plants
- List of endangered plants
- List of critically endangered plants
- List of data deficient plants
References
- "IUCN Red List version 2016-2". The IUCN Red List of Threatened Species. International Union for Conservation of Nature and Natural Resources (IUCN). Retrieved 8 September 2016.
- "Table 9: Possibly Extinct and Possibly Extinct in the Wild Species (IUCN Red List version 2016-2)". The IUCN Red List of Threatened Species. Union for Conservation of Nature and Natural Resources (IUCN). Retrieved 8 September 2016.