List of critically endangered plants

Plant species (IUCN, 2025.2)
  • 76,864 extant species have been evaluated
  • 70,547 of those are fully assessed[a]
  • 40,612 are not threatened at present[b]
  • 29,935 are threatened[c]
  • 187 to 892 are extinct or extinct in the wild:
    • 141 extinct (EX) species[d]
    • 46 extinct in the wild (EW)
    • 648 possibly extinct [CR(PE)]
    • 57 possibly extinct in the wild [CR(PEW)]

  1. ^ excludes data deficient evaluations.
  2. ^ NT, LR/cd, LC.
  3. ^ Threatened comprises CR, EN and VU.
  4. ^ Chart omits extinct (EX) species

As of December 2023, the International Union for Conservation of Nature (IUCN) lists 5702 plant species categorized as Critically Endangered, including 569 which are tagged as possibly extinct and 48 possibly extinct in the wild.[1][2] 8.6% of all evaluated plant species are listed as critically endangered. The IUCN also lists 284 subspecies and varieties as critically endangered.

Additionally 5371 plant species (8.1% of those evaluated) are listed as data deficient, meaning there is insufficient information for a full assessment of conservation status. As these species typically have small distributions and/or populations, they are intrinsically likely to be threatened, according to the IUCN.[3] While the category of data deficient indicates that no assessment of extinction risk has been made for the taxa, the IUCN notes that it may be appropriate to give them "the same degree of attention as threatened taxa, at least until their status can be assessed."[4]

This is a complete list of critically endangered plant species, subspecies and varieties evaluated by the IUCN. Species considered possibly extinct by the IUCN are marked as such.

  • Galaxaura barbata (possibly extinct)
  • Gracilaria skottsbergii
  • Laurencia oppositocladia
  • Myriogramme kylinii
  • Phycodrina elegans (possibly extinct)
  • Schizymenia ecuadoreana

There are 24 bryophyte species assessed as critically endangered.

There are 67 species and three varieties of pteridophyte assessed as critically endangered.

There are 54 species and three varieties in the class Polypodiopsida assessed as critically endangered.

There are 49 species and three varieties in the order Polypodiales assessed as critically endangered.

Species

  • Ctenitis pallatangana (possibly extinct)
  • Ctenitis squamigera, Pacific lacefern
  • Dryopteris cognata, Large kidney fern
  • Elaphoglossum actinolepis
  • Elaphoglossum angamarcanum
  • Elaphoglossum bonapartii
  • Elaphoglossum chodatii
  • Elaphoglossum christii
  • Elaphoglossum cladotrichium
  • Elaphoglossum corazonense
  • Elaphoglossum dimorphum, Toothed tongue-fern
  • Elaphoglossum gossypinum
  • Elaphoglossum gracilipes (possibly extinct)
  • Elaphoglossum jamesonii
  • Elaphoglossum longissimum
  • Elaphoglossum nervosum, Veined tongue-fern
  • Elaphoglossum pellucidum
  • Elaphoglossum polytrichum (possibly extinct)
  • Elaphoglossum pteropodum
  • Elaphoglossum sodiroi
  • Elaphoglossum sprucei
  • Elaphoglossum trichophorum
  • Lastreopsis subrecedens
  • Polystichum drepanum, Madeira shield-fern

Varieties

  • Dryopteris crinalis var. podosorus
  • Dryopteris glabra var. flynnii
  • Dryopteris glabra var. pusilla
Other Polypodiales species
  • Marsilea fadeniana

Other pteridophyte species

There are 81 species, five subspecies, and 13 varieties of gymnosperm assessed as critically endangered.

Species

Subspecies

  • Cycas szechuanensis subsp. fairylakea
  • Cycas szechuanensis subsp. szechuanensis
  • Encephalartos tegulaneus subsp. powysii

Species

Subspecies

Varieties

  • Amentotaxus argotaenia var. brevifolia
  • Cupressus arizonica var. montana, San Pedro cypress
  • Cupressus arizonica var. stephensonii, Cuyamaca cypress
  • Cupressus chengiana var. jiangeensis
  • Cupressus dupreziana var. atlantica, Atlas cypress
  • Cupressus dupreziana var. dupreziana
  • Cupressus goveniana var. abramsiana
  • Juniperus barbadensis var. barbadensis, Barbados cedar
  • Juniperus deppeana var. sperryi
  • Juniperus gracilior var. ekmanii
  • Picea asperata var. ponderosa
  • Pinus massoniana var. hainanensis
  • Podocarpus sellowii var. angustifolius

There are 1895 species, 78 subspecies, and 49 varieties of dicotyledon assessed as critically endangered.

Species

Varieties

  • Piper amalago var. variifolium

There are 62 species and 12 subspecies in Campanulales assessed as critically endangered.

Species

Subspecies

  • Clermontia oblongifolia subsp. brevipes, Oahu clermontia
  • Clermontia oblongifolia subsp. mauiensis
  • Clermontia peleana subsp. peleana
  • Clermontia peleana subsp. singuliflora
  • Clermontia samuelii subsp. hanaensis
  • Clermontia samuelii subsp. samuelii
  • Cyanea grimesiana subsp. grimesiana
  • Cyanea grimesiana subsp. obatae
  • Cyanea hamatiflora subsp. carlsonii
  • Cyanea hamatiflora subsp. hamatiflora
  • Cyanea lobata subsp. baldwinii
  • Cyanea lobata subsp. lobata

Species

Subspecies

  • Anisoptera thurifera subsp. thurifera
  • Dipterocarpus caudatus subsp. caudatus
  • Dipterocarpus conformis subsp. conformis
  • Hopea andersonii subsp. basalticola
  • Hopea jucunda subsp. jucunda
  • Hopea jucunda subsp. modesta
  • Shorea assamica subsp. assamica
  • Shorea assamica subsp. globifera
  • Shorea assamica subsp. koordersii
  • Shorea assamica subsp. philippinensis
  • Shorea falciferoides subsp. falciferoides
  • Shorea falciferoides subsp. glaucescens
  • Shorea hemsleyana subsp. grandiflora
  • Shorea hemsleyana subsp. hemsleyana
  • Shorea macroptera subsp. macroptera
  • Shorea macroptera subsp. sandakanensis
  • Shorea ovalis subsp. sarawakensis
  • Shorea ovalis subsp. sericea
  • Shorea singkawang subsp. scabrosa
  • Vatica javanica subsp. javanica
  • Vatica javanica subsp. scaphifolia
  • Vatica oblongifolia subsp. crassilobata
  • Vatica oblongifolia subsp. elliptifolia

Species

Subspecies

  • Hibiscus waimeae subsp. hannerae

Varieties

  • Bombax insigne var. polystemon

Other Malvales species

Species

Subspecies

  • Elaeocarpus submonoceras subsp. oliganthus

Species

Varieties

Family Proteaceae - 103 species

Family Sabiaceae - 5 species

  • Meliosma caucana
  • Meliosma lindae
  • Meliosma nanarum
  • Meliosma nesites
  • Meliosma seleriana

Species

Subspecies

  • Cistus heterophyllus subsp. carthaginensis
  • Viola chamissoniana subsp. chamissoniana
  • Atuna travancorica
  • Couepia carautae
  • Couepia coarctata
  • Couepia hondurasensis
  • Couepia joaquinae
  • Couepia meridionalis
  • Couepia osaensis
  • Dactyladenia dichotoma
  • Dactyladenia eketensis
  • Dactyladenia johnstonei
  • Dactyladenia pierrei
  • Dactyladenia sapinii
  • Hirtella aramangensis
  • Hirtella beckii
  • Hirtella conduplicata
  • Hirtella trichotoma
  • Hunga longifolia
  • Leptobalanus diegogomezii
  • Licania cuyabenensis
  • Licania microphylla
  • Magnistipula devriesii
  • Magnistipula multinervia
  • Moquilea espinae
  • Moquilea guatemalensis
  • Moquilea hedbergii
  • Moquilea tachirensis
  • Parinari argenteosericea
  • Chrysochlamys pavonii
  • Clusia cajamarcensis
  • Clusia caryophylloides
  • Clusia diguensis
  • Clusia intertexta
  • Clusia lehmannii
  • Clusia lunanthera
  • Clusia mayana
  • Clusia nervosa
  • Clusia plurivalvis
  • Clusia rubescens
  • Clusia skotaster
  • Clusia tequendamae
  • Clusia uniflora
  • Garcinia bifasciculata
  • Garcinia busuangaensis
  • Garcinia cadelliana
  • Garcinia capuronii
  • Garcinia cincta
  • Garcinia cordata
  • Garcinia gamblei
  • Garcinia heterophylla
  • Garcinia imbertii
  • Garcinia klabang
  • Garcinia linearifolia
  • Garcinia loheri
  • Garcinia multibracteolata
  • Garcinia multifida
  • Garcinia pacifica
  • Garcinia polyneura
  • Garcinia pulvinata
  • Garcinia ramosii
  • Garcinia samarensis
  • Garcinia sangudsangud
  • Garcinia serpentini
  • Garcinia tanzaniensis
  • Garcinia tanzaniensis
  • Garcinia travancorica
  • Garcinia xylosperma
  • Thysanostemon fanshawei
  • Tovomita aequatoriensis
  • Tovomita megantha

Species

Subspecies

  • Euphorbia cylindrifolia subsp. tuberifera
  • Euphorbia stenoclada subsp. ambatofinandranae

Varieties

  • Drypetes usambarica var. rugulosa
  • Euphorbia decaryi var. robinsonii
  • Euphorbia francoisii var. francoisii
  • Euphorbia greenwayi var. greenwayi
  • Euphorbia lophogona var. tenuicaulis
  • Euphorbia remyi var. kauaiensis
  • Euphorbia remyi var. remyi
  • Sebastiania lesteri var. glabrata
  • Sebastiania lesteri var. lesteri
  • Chaetocarpus pubescens

Species

  • Amanoa anomala
  • Aporosa fusiformis
  • Cleistanthus major
  • Cleistanthus robustus
  • Flueggea elliptica
  • Flueggea neowawraea
  • Glochidion butonicum
  • Glochidion cagayanense
  • Glochidion cenabrei
  • Glochidion chodoense
  • Glochidion comitum
  • Glochidion conostylum
  • Glochidion daviesii
  • Glochidion drypetifolium
  • Glochidion euryoides
  • Glochidion kopiaginis
  • Glochidion lalae
  • Glochidion melvilleorum
  • Glochidion plagiophyllum
  • Glochidion pulgarense
  • Glochidion santisukii
  • Glochidion trichophorum
  • Glochidion wonenggau
  • Hieronyma crassistipula
  • Phyllanthus aoraiensis
  • Phyllanthus artensis
  • Phyllanthus aspersus
  • Phyllanthus bemangidiensis
  • Phyllanthus borenensis
  • Phyllanthus burundiensis
  • Phyllanthus caesiifolius
  • Phyllanthus coodei
  • Phyllanthus denticulatus
  • Phyllanthus felicis
  • Phyllanthus fractiflexus
  • Phyllanthus gordonii
  • Phyllanthus jaffrei
  • Phyllanthus kidna
  • Phyllanthus kouaouaensis
  • Phyllanthus luciliae
  • Phyllanthus mandjeliaensis
  • Phyllanthus millei
  • Phyllanthus mimicus
  • Phyllanthus nyale
  • Phyllanthus pindaiensis
  • Phyllanthus poliborealis
  • Phyllanthus revaughanii
  • Phyllanthus rhizomatosus
  • Phyllanthus rozennae
  • Phyllanthus schliebenii
  • Phyllanthus tritepalus
  • Phyllanthus tsetserrae
  • Phyllanthus umbratus
  • Phyllanthus unioensis
  • Phyllanthus veillonii
  • Phyllanthus virgultiramus

Varieties

  • Phyllanthus aeneus var. papillosus

Other Malpighiales

There are 40 species in the order Laurales assessed as critically endangered.

  • Actinodaphne archboldiana
  • Actinodaphne caesia
  • Actinodaphne cinerea
  • Actinodaphne ellipticibacca
  • Actinodaphne engleriana
  • Actinodaphne fuliginosa
  • Actinodaphne gracilis
  • Actinodaphne latifolia
  • Actinodaphne ledermannii
  • Actinodaphne mansonii
  • Actinodaphne menghaiensis
  • Actinodaphne novoguineensis
  • Actinodaphne obtusa
  • Actinodaphne perglabra
  • Actinodaphne pulchra
  • Actinodaphne quercina
  • Actinodaphne rumphii
  • Actinodaphne solomonensis
  • Aiouea elegans
  • Aiouea floccosa
  • Aiouea kruseana
  • Aiouea leptophylla
  • Aiouea opaca
  • Aiouea palaciosii
  • Alseodaphne griffithii
  • Alseodaphne micrantha
  • Alseodaphne ramosii
  • Alseodaphne suboppositifolia
  • Alseodaphne sulcata
  • Alseodaphnopsis hokouensis
  • Alseodaphnopsis marlipoensis
  • Alseodaphnopsis ximengensis
  • Andea antioquiensis
  • Aniba ecuadorica
  • Aniba novogranatensis
  • Aniba pedicellata
  • Aspidostemon capuronii
  • Aspidostemon caudatus
  • Aspidostemon grayi
  • Aspidostemon inconspicuus (possibly extinct)
  • Aspidostemon insignis
  • Aspidostemon litoralis
  • Aspidostemon macrophyllus
  • Aspidostemon manongarivensis
  • Aspidostemon masoalensis
  • Aspidostemon occultus
  • Aspidostemon reticulatus
  • Aspidostemon synandra
  • Aspidostemon triantherus
  • Aspidostemon trichandra
  • Beilschmiedia aborensis
  • Beilschmiedia ambigua
  • Beilschmiedia angustielliptica
  • Beilschmiedia atra
  • Beilschmiedia bracteata
  • Beilschmiedia brandisii
  • Beilschmiedia congestiflora
  • Beilschmiedia crassipes
  • Beilschmiedia descoingsii
  • Beilschmiedia dielsiana
  • Beilschmiedia donisii
  • Beilschmiedia gallatlyi
  • Beilschmiedia giorgii
  • Beilschmiedia gitingensis
  • Beilschmiedia hermanii
  • Beilschmiedia jabassensis
  • Beilschmiedia javanica
  • Beilschmiedia kostermansiana
  • Beilschmiedia lancifolia
  • Beilschmiedia ledermannii
  • Beilschmiedia longifolia
  • Beilschmiedia macrocarpa
  • Beilschmiedia macrophylla
  • Beilschmiedia membranifolia
  • Beilschmiedia montanoides
  • Beilschmiedia ndongensis
  • Beilschmiedia neoletestui
  • Beilschmiedia osacola
  • Beilschmiedia ovoidea
  • Beilschmiedia papyracea
  • Beilschmiedia pauciflora
  • Beilschmiedia pellegrinii
  • Beilschmiedia pubescens
  • Beilschmiedia pullenii
  • Beilschmiedia purpurea
  • Beilschmiedia rosseliana
  • Beilschmiedia rufolanata
  • Beilschmiedia sericea
  • Beilschmiedia shangsiensis
  • Beilschmiedia sichourensis
  • Beilschmiedia thollonii
  • Beilschmiedia triplinervis
  • Beilschmiedia turbinata
  • Beilschmiedia vermoesenii
  • Beilschmiedia vestita
  • Beilschmiedia yangambiensis
  • Beilschmiedia zahnii
  • Cinnamomum auricolor
  • Cinnamomum bhamoensis
  • Cinnamomum bhaskarii
  • Cinnamomum brachythyrsum
  • Cinnamomum cambodianum
  • Cinnamomum champokianum
  • Cinnamomum chemungianum
  • Cinnamomum cupulatum
  • Cinnamomum englerianum
  • Cinnamomum glauciphyllum
  • Cinnamomum gracillimum
  • Cinnamomum hkinlumense
  • Cinnamomum kingdon-wardii
  • Cinnamomum kotoense
  • Cinnamomum lanaoense
  • Cinnamomum loheri
  • Cinnamomum lohitensis
  • Cinnamomum longipedicellatum
  • Cinnamomum oblongum
  • Cinnamomum pachypes
  • Cinnamomum paraneuron
  • Cinnamomum perglabrum
  • Cinnamomum petiolatum
  • Cinnamomum rosselianum
  • Cinnamomum rufotomentosum
  • Cinnamomum sancti-caroli
  • Cinnamomum sessilifolium
  • Cinnamomum sumatranum
  • Cinnamomum talawaense
  • Cinnamomum travancoricum
  • Cinnamomum trintaense
  • Cinnamomum utile
  • Cinnamomum walaiwarense
  • Cryptocarya alseodaphnifolia
  • Cryptocarya alticola
  • Cryptocarya angica
  • Cryptocarya archboldiana
  • Cryptocarya arfakensis
  • Cryptocarya atra
  • Cryptocarya aurea
  • Cryptocarya aureobrunnea
  • Cryptocarya beilschmiediifolia
  • Cryptocarya biswasii
  • Cryptocarya boemiensis
  • Cryptocarya burkillii
  • Cryptocarya calderi
  • Cryptocarya canaliculata
  • Cryptocarya capuronii
  • Cryptocarya carrii
  • Cryptocarya caryoptera
  • Cryptocarya cavei
  • Cryptocarya ceramica
  • Cryptocarya darusensis
  • Cryptocarya depauperata
  • Cryptocarya dipterocarpifolia
  • Cryptocarya durifolia
  • Cryptocarya elliptifolia
  • Cryptocarya flavisperma
  • Cryptocarya foxworthyi
  • Cryptocarya glabriflora
  • Cryptocarya globularia
  • Cryptocarya gonioclada
  • Cryptocarya graehneriana
  • Cryptocarya impressivena
  • Cryptocarya lancifolia
  • Cryptocarya lancilimba
  • Cryptocarya louvelii
  • Cryptocarya macrophylla
  • Cryptocarya medicinalis
  • Cryptocarya megaphylla
  • Cryptocarya montana
  • Cryptocarya oahuensis
  • Cryptocarya ocoteifolia
  • Cryptocarya ovata
  • Cryptocarya pachyphylla
  • Cryptocarya pallida
  • Cryptocarya pallidifolia
  • Cryptocarya parvifolia
  • Cryptocarya pergamentacea
  • Cryptocarya pusilla
  • Cryptocarya rarinervia
  • Cryptocarya rhizophoretum
  • Cryptocarya robynsiana
  • Cryptocarya rotundifolia
  • Cryptocarya rubra
  • Cryptocarya ruruvaiensis
  • Cryptocarya samoensis
  • Cryptocarya schlechteri
  • Cryptocarya sellowiana
  • Cryptocarya sericeotriplinervia
  • Cryptocarya sheikelmudiyana
  • Cryptocarya simonsii
  • Cryptocarya subtrinervis
  • Cryptocarya sulavesiana
  • Cryptocarya sumbawaensis
  • Cryptocarya tebaensis
  • Cryptocarya tesselata
  • Cryptocarya tetragona
  • Cryptocarya todayensis
  • Cryptocarya vanderwerffii
  • Cryptocarya velutina
  • Cryptocarya whiteana
  • Cryptocarya wiedensis
  • Cryptocarya womersleyi
  • Dehaasia acuminata
  • Dehaasia assamica
  • Dehaasia chatacea
  • Dehaasia pugerensis
  • Dehaasia rangamattiensis
  • Dehaasia sumbaensis
  • Dehaasia teijsmannii
  • Dicypellium caryophyllaceum
  • Dicypellium manausense
  • Endiandra albiramea
  • Endiandra archboldiana
  • Endiandra arfakensis
  • Endiandra asymmerrica
  • Endiandra chartacea
  • Endiandra djamuensis
  • Endiandra faceta
  • Endiandra ferruginea
  • Endiandra havelii
  • Endiandra macrostemon
  • Endiandra minutiflora
  • Endiandra multiflora
  • Endiandra oviformis
  • Endiandra scrobiculata
  • Endiandra sphaerica
  • Endiandra teschneriana
  • Gamanthera herrerae
  • Licaria exserta
  • Licaria quirirafuina
  • Licaria siphonantha
  • Licaria tenuifolia
  • Lindera laureola
  • Litsea albicans
  • Litsea alleniana
  • Litsea anomala
  • Litsea aureo-sericea
  • Litsea banaensis
  • Litsea buinensis
  • Litsea burckelloides
  • Litsea cangyuanensis
  • Litsea catubigensiskos
  • Litsea chrysoneura
  • Litsea diospyrifolia
  • Litsea globifera
  • Litsea hornei
  • Litsea ilocana
  • Litsea machiloides
  • Litsea mafuluensis
  • Litsea mathuataensis
  • Litsea mishmiensis
  • Litsea morobensis
  • Litsea papillosa
  • Litsea perfulva
  • Litsea perlucida
  • Litsea racemiflora
  • Litsea sessilifructa
  • Litsea subauriculata
  • Machilus bokorensis
  • Machilus brevipaniculata
  • Machilus champasakensis
  • Machilus parviflora
  • Machilus salicoides
  • Mespilodaphne paradoxa
  • Mezilaurus glabriantha
  • Mezilaurus microphylla
  • Mezilaurus thoroflora
  • Nectandra apiculata
  • Nectandra brochidodroma
  • Nectandra caudatoacuminata
  • Nectandra cerifolia
  • Nectandra cordata
  • Nectandra filiflora
  • Nectandra pulchra
  • Neocinnamomum huongsonensis
  • Neolitsea archboldiana
  • Neolitsea arfakensis
  • Neolitsea incana
  • Nothaphoebe annamensis
  • Nothaphoebe falcata
  • Ocotea acunana
  • Ocotea amplifolia
  • Ocotea bajapazensis
  • Ocotea baracoensis
  • Ocotea cantareirae
  • Ocotea cristalensis
  • Ocotea cuatrecasasii
  • Ocotea duplocolorata
  • Ocotea eriothyrsa
  • Ocotea euvenosa
  • Ocotea grandifructa
  • Ocotea harrisii
  • Ocotea heribertoi
  • Ocotea hypoglauca
  • Ocotea ikonyokpe, synonym of Kuloa ikonyokpe
  • Ocotea iridescens
  • Ocotea lancilimba
  • Ocotea libanensis
  • Ocotea macrantha
  • Ocotea monteverdensis
  • Ocotea oblongifolia
  • Ocotea producta
  • Ocotea racemiflora
  • Ocotea rigidifolia
  • Ocotea sperata
  • Ocotea thinicola
  • Ocotea truncata
  • Ocotea tsaratananensis
  • Persea chrysantha
  • Persea obovata
  • Phoebe birmanica
  • Phoebe mathewsii
  • Pleurothyrium amplifolium
  • Pleurothyrium arcuatum
  • Pleurothyrium bracteatum
  • Potameia antevaratra
  • Rhodostemonodaphne debilis
  • Rhodostemonodaphne velutina
  • Syndiclis lotungensis
  • Williamodendron cinnamomeum
  • Williamodendron quadrilocellatum

Species

Subspecies

  • Begonia quadrialata subsp. dusenii
  • Diospyros angulata
  • Diospyros benstonei
  • Diospyros chrysophyllos
  • Diospyros crumenata
  • Diospyros egrettarum
  • Diospyros hemiteles
  • Diospyros katendei (possibly extinct)
  • Diospyros lolinopsis
  • Diospyros molissima
  • Diospyros moonii
  • Diospyros mun
  • Diospyros nodosa
  • Diospyros rheophytica
  • Diospyros vaccinioides, Small persimmon
  • Diospyros veillonii

Species

Subspecies

  • Eschweilera piresii subsp. viridipetala

Species

Subspecies

  • Sarracenia rubra subsp. alabamensis

Other Ericales species

There are 29 species and two subspecies in the order Celastrales assessed as critically endangered.

Species

Subspecies

  • Ilex perado subsp. iberica
  • Ilex perado subsp. lopezlilloi
  • Dichapetalum korupinum
  • Dichapetalum letouzeyi

There are 97 species and five varieties in the order Myrtales assessed as critically endangered.

Species

Varieties

  • Eugenia harrisii var. grandifolia
  • Myrrhinium atropurpureum var. atropurpureum

Species

  • Combretum tenuipetiolatum

Varieties

  • Terminalia eriostachya var. margaretiae, black mastic
  • Terminalia glabrata var. glabrata
  • Terminalia glabrata var. koariki
  • Trapa colchica, Colchis water-chestnut
  • Epilobium numidicum

Species

Varieties

  • Acer buergerianum var. formosanum, Taiwan trident maple
  • Acer oblongum var. membranaceum

Species

Subspecies

  • Trichilia trifolia subsp. pteleaefolia
  • Turraea mombassana subsp. schliebenii

Species

Subspecies

  • Pilocarpus goudotianus subsp. heterochromus

Varieties

  • Zanthoxylum dipetalum var. tomentosum

Species

Varieties

  • Alectryon macrococcus var. auwahiensis
  • Alectryon macrococcus var. macrococcus
  • Tribulus rajasthanensis
  • Zygophyllum bucharicum
  • Zygophyllum darvasicum

Species

Subspecies

  • Argyroxiphium sandwicense subsp. sandwicense, Mauna Kea silversword
  • Bidens campylotheca subsp. pentamera
  • Bidens campylotheca subsp. waihoiensis
  • Bidens micrantha subsp. ctenophylla
  • Dubautia plantaginea subsp. humilis
  • Dubautia plantaginea subsp. magnifolia
  • Fitchia cuneata subsp. cuneata
  • Melanthera micrantha subsp. exigua
  • Melanthera micrantha subsp. micrantha

Varieties

  • Bidens hendersonensis var. oenoensis
  • Pectis caymanensis var. robusta
  • Scalesia atractyloides var. atractyloides
  • Scalesia atractyloides var. darwinii
  • Tetramolopium rockii var. calcisabulorum

Species

  • Alphonsea annulata
  • Alphonsea keithii
  • Alphonsea kingii
  • Annona ecuadorensis
  • Annona ekmanii
  • Annona ferruginea
  • Annona frutescens
  • Annona gracilis
  • Annona hystricoides
  • Annona longipes
  • Annona moaensis
  • Annona oblongifolia
  • Annona salicifolia
  • Brieya latipetala
  • Cremastosperma brachypodum
  • Cymbopetalum parviflorum
  • Dasymaschalon borneense
  • Desmopsis carrillensis
  • Desmopsis duran
  • Desmopsis flagelliflora
  • Desmopsis guerrerensis
  • Desmopsis mexicana
  • Desmopsis migueliana
  • Desmopsis monticola
  • Desmopsis morenoi
  • Desmopsis tuberculata
  • Desmopsis tubiflora
  • Desmopsis wendtii
  • Desmopsis zoque
  • Disepalum acuminatissimum
  • Disepalum rawagambut
  • Duguetia restingae
  • Fissistigma tungfangense
  • Goniothalamus alatus
  • Goniothalamus copelandii
  • Goniothalamus longistylus
  • Goniothalamus mindorensis
  • Goniothalamus nitidus
  • Goniothalamus panayensis
  • Goniothalamus sibuyanensis
  • Goniothalamus suluensis
  • Goniothalamus trunciflorus
  • Guatteria attenuata
  • Guatteria esperanzae
  • Hornschuchia alba
  • Huberantha capillata
  • Huberantha mossambicensis
  • Huberantha palawanensis
  • Huberantha whistleri
  • Isolona capuronii
  • Klarobelia subglobosa
  • Lukea quentinii
  • Meiogyne insularis
  • Meiogyne kanthanensis
  • Mezzettia herveyana
  • Mitrephora kostermansii
  • Mitrephora sirikitiae
  • Mitrephora sorsogonensis
  • Mitrephora woodii
  • Monanthotaxis couvreurii
  • Monoon glabrum
  • Monoon sublanceolatum
  • Mosannona vasquezii
  • Neo-uvaria viridifolia
  • Orophea clemensiana
  • Orophea sericea
  • Orophea sichaikhanii
  • Orophea yunnanensis
  • Oxandra unibracteata
  • Phaeanthus tephrocarpus
  • Polyalthia gracilipes
  • Polyalthia hirtifolia
  • Polyalthia kinabaluensis
  • Polyalthia lancilimba
  • Polyalthiopsis floribunda
  • Polyalthiopsis verrucipes
  • Popowia lanceolata
  • Pseudoxandra parvifolia
  • Pseuduvaria gardneri
  • Pseuduvaria taipingensis
  • Sageraea reticulata
  • Tridimeris huatuscoana
  • Unonopsis bauxitae
  • Unonopsis sanctae-teresae
  • Uvaria decidua (possibly extinct)
  • Uvaria diplocampta
  • Uvaria manjensis
  • Uvaria puguensis
  • Uvaria rovumae
  • Uvariodendron dzomboense
  • Uvariopsis dicaprio
  • Xylopia amplexicaulis
  • Xylopia capuronii
  • Xylopia degeneri
  • Xylopia ghesquiereana
  • Xylopia humbertii
  • Xylopia lamarckii
  • Xylopia obtusifolia

Subspecies and varieties

  • Artabotrys modestus subsp. modestus
  • Uvariodendron molundense var. citrata

Species

Subspecies

  • Magnolia cubensis subsp. acunae
  • Magnolia virginiana subsp. oviedoae

There are 30 species and one variety in Capparales assessed as critically endangered.

Species

Varieties

There are 51 species and two varieties in the order Apiales assessed as critically endangered.

Species

Varieties

  • Polyscias sechellarum var. contracta
  • Polyscias sechellarum var. curiosae

Species

Subspecies

  • Ceropegia decidua subsp. pretoriensis
  • Pentarrhinum abyssinicum subsp. ijimense

Species

Varieties

  • Labordia tinifolia var. wahiawaensis

Species

Subspecies

  • Ixora scheffleri subsp. keniensis
  • Kadua cordata subsp. remyi
  • Kadua degeneri subsp. coprosmifolia
  • Kadua degeneri subsp. degeneri

Varieties

  • Chassalia coriacea var. johnstonii
  • Coprosma rapensis var. benefica, red berry

Species

Subspecies

  • Alchemilla fischeri subsp. camerunensis
  • Polylepis tomentella subsp. nana

Other Rosales species

Species

Varieties

  • Geissois ternata var. serrata
  • Neraudia angulata var. angulata
  • Neraudia angulata var. dentata
  • Ribes malvifolium
  • Ribes sardoum, Sardinian currant
  • Saxifraga artvinensis, Artvinian rockfoil

There are 28 species and one variety in Primulales assessed as critically endangered.

Species

  • Clavija parvula

Varieties

  • Jacquinia macrantha var. clarendonensis

Species

Varieties

  • Cayratia pedata var. glabra

Species

Varieties

  • Ipomoea prismatosyphon var. trifida
  • Amphitecna spathicalyx
  • Chodanthus montecillensis
  • Parmentiera morii
  • Phyllarthron laxinervium
  • Phyllarthron nocturnum
  • Phyllarthron sahamalazensis
  • Phyllarthron vokoaninensis
  • Stereospermum zenkeri (possibly extinct)

Species

Subspecies

  • Saintpaulia ionantha subsp. grandifolia
  • Saintpaulia ionantha subsp. rupicola

Varieties

  • Gesneria scabra var. fawcettii

Species

Varieties

  • Phyllostegia parviflora var. glabriuscula
  • Phyllostegia parviflora var. lydgatei
  • Phyllostegia parviflora var. parviflora
  • Agalinis kingsii
  • Antirrhinum charidemi
  • Isoplexis chalcantha
  • Odontites granatensis
  • Paulownia kawakamii
  • Scrophularia capillaris, Capillary figwort
  • Verbascum decursivum, Decurrent mullein
  • Verbascum transcaucasicum, Transcaucasian speedwell
  • Veronica allahuekberensis, Allahuekberian speedwell
  • Veronica oetaea

Other Lamiales species

  • Cordia leslieae

Species

Varieties

  • Cissampelos nigrescens var. cardiophylla

Species

Subspecies

  • Astragalus macrocarpus subsp. lefkarensis, Lefkara milk-vetch
  • Byrsonima nemoralis subsp. dressleri

Varieties

  • Humboldtia unijuga var. trijuga

There are 145 species, two subspecies, and one variety in the order Caryophyllales assessed as critically endangered.

Species

Subspecies

  • Moehringia intricata subsp. tejedensis

Species

Subspecies

  • Ariocarpus bravoanus subsp. bravoanus
  • Calligonum calcareum
  • Calligonum triste
  • Coccoloba cholutecensis
  • Coccoloba lindaviana
  • Coccoloba retirensis
  • Polygonum caspicum, Caspian knotweed
  • Polygonum toktogulicum
  • Rumex tunetanus

Other Caryophyllales

Species

Varieties

  • Achyranthes splendens var. rotundata

Species

Other Fagales

Species

Subspecies

  • Betula lenta subsp. uber, Virginia round-leaf birch
  • Betula procurva subsp. schugnanica

Other dicotyledons

Species

Varieties

  • Rhododendron protistum var. giganteum

Species

Varieties

  • Dictyosperma album var. album
  • Dictyosperma album var. conjugatum, hurricane palm
  • Roystonea regia var. hondurensis

Species

Subspecies

  • Cynorkis buchwaldiana subsp. buchwaldiana

Species

Subspecies

  • Narcissus nevadensis subsp. enemeritoi

Species

Subspecies

  • Arisaema heterocephalum subsp. okinawaense
  • Commelina mwatayamvoana
  • Xyris andina
  • Xyris diaphanobracteata
  • Xyris exigua
  • Xyris ramboi

There are 37 species, two subspecies, and two varieties in Cyperales assessed as critically endangered.

Species

Subspecies

  • Puccinellia distans subsp. embergeri
  • Puccinellia distans subsp. font-queri

Varieties

  • Cenchrus agrimonioides var. agrimonioides

Species

Varieties

  • Cyperus pennatiformis var. bryanii

Other monocotyledons

Species

Subspecies

  • Najas marina subsp. arsenariensis

See also

References

  1. ^ "IUCN Red List version 2023-1". The IUCN Red List of Threatened Species. International Union for Conservation of Nature and Natural Resources (IUCN). Retrieved 31 December 2023.
  2. ^ "Table 9: Possibly Extinct and Possibly Extinct in the Wild Species (IUCN Red List version 2023-1)". The IUCN Red List of Threatened Species. Union for Conservation of Nature and Natural Resources (IUCN). Retrieved 31 December 2023.
  3. ^ "Limitations of the Data". The IUCN Red List of Threatened Species. Union for Conservation of Nature and Natural Resources (IUCN). Retrieved 11 January 2016.
  4. ^ "2001 Categories & Criteria (version 3.1)". The IUCN Red List of Threatened Species. Union for Conservation of Nature and Natural Resources (IUCN). Retrieved 11 January 2016.
  5. ^ Farjon, A. (2013). "Pinus torreyana subsp. torreyana". IUCN Red List of Threatened Species. 2013 e.T34015A2840365. doi:10.2305/IUCN.UK.2013-1.RLTS.T34015A2840365.en. Retrieved 27 September 2020.
  6. ^ "Allophylus zeylanicus L." Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 6 December 2024.
  7. ^ "Populus alba". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 6 December 2024.