List of endangered plants


In September 2016, the International Union for Conservation of Nature listed 3654 endangered plant species. Of all evaluated plant species, 17% are listed as endangered.
The IUCN also lists 99 subspecies and 101 varieties as endangered. No subpopulations of plants have been evaluated by the IUCN.
For a species to be considered endangered by the IUCN it must meet certain quantitative criteria which are designed to classify taxa facing "a very high risk of extinction". An even higher risk is faced by critically endangered species, which meet the quantitative criteria for endangered species. Critically endangered plants are listed separately. There are 6147 plant species which are endangered or critically endangered.
Additionally 1674 plant species 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. 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".
This is a complete list of endangered plant species, subspecies and varieties evaluated by the IUCN.

[Bryophytes]

There are 29 bryophyte species assessed as endangered.

Hornworts">Anthocerotophyta">Hornworts

  • Anthoceros neesii, Nees' hornwort
  • ''Dendroceros japonicus''

    [Moss]es

  • Bryoxiphium madeirense
  • Distichophyllum carinatum
  • Jaffueliobryum arsenei
  • Mamillariella geniculata
  • Merrilliobryum fabronioides
  • Mitrobryum koelzii
  • Orthodontopsis bardunovii
  • Orthotrichum truncato-dentatum
  • Renauldia lycopodioides
  • Sciaromiopsis sinensis
  • ''Skottsbergia paradoxa''

    Liverworts">Marchantiophyta">Liverworts

  • Aitchisoniella himalayensis
  • Andrewsianthus ferrugineus
  • Caudalejeunea grolleana
  • Cladolejeunea aberrans
  • Cololejeunea magnilobula
  • Diplocolea sikkimensis
  • Drepanolejeunea aculeata
  • Drepanolejeunea bakeri
  • Eopleurozia simplicissima
  • Leptolejeunea tridentata
  • Schistochila macrodonta
  • Sphaerocarpos drewiae
  • Stephensoniella brevipedunculata
  • ''Symbiezidium madagascariense''

    [Pteridophytes]

There are 67 species and one subspecies of pteridophyte assessed as endangered.

Leptosporangiate ferns">Polypodiopsida">Leptosporangiate ferns

There are 61 species and one subspecies in the class Polypodiopsida assessed as endangered.

[Polypodiales]

Species
  • Acrorumohra hasseltii
  • Actiniopteris kornasii
  • Adenophorus epigaeus
  • Adiantum fengianum
  • Adiantum sinicum
  • Aleuritopteris grevilleoides
  • Aleuritopteris squamosa
  • Arachniodes squamulosa
  • Arachniodes tsiangiana
  • Asplenium virens
  • Blechnum floresii
  • Blotiella hieronymi
  • Callipteris ulugurica
  • Calymmodon cucullatus
  • Cheilanthes deboeri
  • Cyclosorus boydiae, Boyd's maidenfern
  • Cyclosorus wailele, Waioli Valley maidenfern
  • Cyrtomium hemionitis
  • Diplazium avitaguense
  • Diplazium hieronymi
  • Diplazium pseudoporrectum
  • Diplazium vesiculosum
  • Dryopteris napoleonis, small kidney fern
  • Dryopteris raddeana, Radde's buckler fern
  • Elaphoglossum engleri
  • Elaphoglossum herpestes
  • Elaphoglossum hornei
  • Elaphoglossum isophyllum
  • Elaphoglossum spectabile
  • Grammitis basalis
  • Microgramma tuberosum
  • Microlepia fadenii
  • Neocheiropteris palmatopedata
  • Oleandra hainanensis
  • Pneumatopteris usambarensis
  • Polystichum bulbiferum
  • Pteris mkomaziensis
  • Pyrrosia liebuschii
  • Radiogrammitis cheesemanii
  • Saccoloma laxum
  • Saccoloma squamosum
  • Stenochlaena hainanensis
  • Thelypteris bermudiana, Bermuda shield fern
  • Thelypteris macra
  • Vittaria schliebenii
  • Zygophlebia eminens
  • Zygophlebia major
Subspecies
  • Pteris albersii subsp. ''albersii''

    [Hymenophyllales]

  • Hymenophyllum capillaceum, St Helena filmy fern
  • Hymenophyllum megistocarpum
  • ''Hymenophyllum nanum''

    [Cyatheales]

  • Alsophila esmeraldensis
  • Cyathea crinita
  • Cyathea fadenii
  • Cyathea heliophila
  • Cyathea palaciosii
  • Cyathea schliebenii
  • ''Plagiogyria assurgens''

    [Salviniales]

  • Marsilea batardae, Lusitanian water clover
  • Marsilea botryocarpa
  • Marsilea villosa
  • Pilularia minuta, dwarf pillwort

    [Isoetopsida]

  • Isoetes boryana, Gascoyne quillwort
  • Isoetes capensis
  • Isoetes fluitans, river quillwort
  • ''Isoetes panchganiensis''

    [Lycopodiopsida]

  • Huperzia hastata
  • ''Huperzia loxensis''

    [Gymnosperm]s

There are 163 species, seven subspecies, and 29 varieties of gymnosperm assessed as endangered.

Ginkgos">Ginkgoopsida">Ginkgos

  • Ginkgo biloba, ginkgo

    Cycads">Cycadopsida">Cycads

Species
  • Ceratozamia alvarezii
  • Ceratozamia becerrae
  • Ceratozamia hildae, bamboo cycad
  • Ceratozamia latifolia
  • Ceratozamia matudae
  • Ceratozamia mirandae
  • Ceratozamia mixeorum
  • Ceratozamia morettii
  • Ceratozamia norstogii
  • Ceratozamia robusta
  • Ceratozamia sabatoi
  • Ceratozamia whitelockiana
  • Cycas beddomei
  • Cycas candida, white seed sago
  • Cycas changjiangensis
  • Cycas circinalis
  • Cycas elephantipes
  • Cycas elongata
  • Cycas hainanensis
  • Cycas hoabinhensis
  • Cycas javana
  • Cycas lindstromii
  • Cycas micronesica
  • Cycas multipinnata
  • Cycas platyphylla
  • Cycas riuminiana, Arayat pitogo
  • Cycas taitungensis
  • Cycas taiwaniana
  • Dioon califanoi
  • Dioon caputoi
  • Dioon holmgrenii
  • Dioon rzedowskii
  • Dioon sonorense
  • Dioon spinulosum
  • Encephalartos arenarius, Alexandria cycad
  • Encephalartos chimanimaniensis, Chimanimani cycad
  • Encephalartos concinnus, Runde cycad
  • Encephalartos delucanus
  • Encephalartos eugene-maraisii, Waterberg cycad
  • Encephalartos horridus, Eastern Cape blue cycad
  • Encephalartos kisambo, Voi cycad
  • Encephalartos lebomboensis, Lebombo cycad
  • Encephalartos macrostrobilus
  • Encephalartos umbeluziensis, Umbeluzi cycad
  • Macrozamia cranei
  • Macrozamia elegans
  • Macrozamia flexuosa
  • Macrozamia lomandroides
  • Macrozamia pauli-guilielmi
  • Macrozamia plurinervia
  • Macrozamia spiralis
  • Macrozamia viridis
  • Zamia cremnophila
  • Zamia dressleri
  • Zamia elegantissima
  • Zamia fischeri
  • Zamia furfuracea, cardboard palm
  • Zamia ipetiensis
  • Zamia katzeriana
  • Zamia lacandona
  • Zamia lucayana
  • Zamia melanorrhachis
  • Zamia portoricensis
  • Zamia skinneri
  • Zamia variegata
Subspecies
  • Encephalartos barteri subsp. ''allochrous''

    Conifers">Pinopsida">Conifers

Species
  • Abies fanjingshanensis
  • Abies fraseri, Fraser fir
  • Abies guatemalensis, Guatemalan fir
  • Abies hickelii, Hickel's fir
  • Abies koreana, Korean fir
  • Abies pinsapo, Spanish fir
  • Abies ziyuanensis, Ziyuan fir
  • Afrocarpus usambarensis
  • Agathis borneensis
  • Agathis kinabaluensis
  • Agathis macrophylla, Fijian kauri pine
  • Agathis orbicula
  • Agathis ovata, scrub kauri
  • Amentotaxus assamica, Assam catkin yew
  • Amentotaxus hatuyenensis
  • Araucaria araucana, monkey puzzle
  • Araucaria humboldtensis
  • Araucaria luxurians
  • Araucaria muelleri
  • Araucaria rulei
  • Araucaria scopulorum
  • Athrotaxis laxifolia
  • Callitris sulcata
  • Calocedrus formosana, Taiwan incense-cedar
  • Calocedrus rupestris
  • Cedrus atlantica, Atlas cedar
  • Cephalotaxus hainanensis, Hainan plum yew
  • Cephalotaxus lanceolata, Gongshan plum yew
  • Chamaecyparis formosensis, Taiwan cypress
  • Cunninghamia konishii
  • Cupressus dupreziana, Saharan cypress
  • Cupressus goveniana, Gowen cypress
  • Cupressus guadalupensis, Guadalupe cypress
  • Dacrydium comosum
  • Dacrydium nausoriense
  • Dacrydium pectinatum
  • Falcatifolium angustum
  • Fitzroya cupressoides, Patagonian cypress
  • Juniperus cedrus, Canary Islands juniper
  • Juniperus comitana
  • Juniperus gamboana
  • Juniperus gracilior
  • Juniperus jaliscana
  • Juniperus saltillensis
  • Juniperus standleyi
  • Larix mastersiana, Masters' larch
  • Libocedrus yateensis
  • Metasequoia glyptostroboides, dawn redwood
  • Nageia maxima
  • Neocallitropsis pancheri
  • Pectinopitys standleyi
  • Picea aurantiaca, orange spruce
  • Picea chihuahuana, Chihuahua spruce
  • Picea martinezii, Martinez's spruce
  • Picea maximowiczii, Maximowicz's spruce
  • Picea omorika, Serbian spruce
  • Picea retroflexa, Tapao Shan spruce
  • Pinus albicaulis, whitebark pine
  • Pinus amamiana, Amami pine
  • Pinus culminicola, Potosi pinyon pine
  • Pinus maximartinezii, Martinez pinyon
  • Pinus nelsonii, Nelson pinyon pine
  • Pinus occidentalis, Hispaniolan pine
  • Pinus palustris, longleaf pine
  • Pinus radiata, Monterey pine
  • Pinus wangii
  • Podocarpus buchii
  • Podocarpus capuronii
  • Podocarpus confertus
  • Podocarpus costalis
  • Podocarpus globulus
  • Podocarpus henkelii, Henkel's yellowwood
  • Podocarpus hispaniolensis
  • Podocarpus humbertii
  • Podocarpus laubenfelsii
  • Podocarpus macrocarpus
  • Podocarpus nakaii
  • Podocarpus pendulifolius
  • Podocarpus polyspermus
  • Podocarpus purdieanus, St. Ann yacca
  • Podocarpus rostratus
  • Podocarpus sellowii
  • Podocarpus sprucei
  • Podocarpus transiens
  • Pseudotsuga japonica, Japanese Douglas-fir
  • Retrophyllum minus
  • Sequoia sempervirens, coast redwood
  • Sequoiadendron giganteum, giant sequoia
  • Taxus chinensis, Chinese yew
  • Taxus contorta, West Himalayan yew
  • Taxus globosa, Mesoamerican yew
  • Taxus wallichiana, East Himalayan yew
  • Thuja sutchuenensis
  • Torreya jackii, Jack's nutmeg tree
  • Xanthocyparis vietnamensis, golden Vietnamese cypress
Subspecies
  • Abies nordmanniana subsp. equi-trojani, Kazdagi fir
  • Picea engelmannii subsp. mexicana, Mexican spruce
  • Pinus cembroides subsp. orizabensis, Orizaba pinyon
  • Pinus mugo subsp. rotundata
  • Pinus nigra subsp. dalmatica
  • Pinus pinaster subsp. renoui
Varieties
  • Abies guatemalensis var. guatemalensis
  • Abies hickelii var. hickelii
  • Abies hickelii var. oaxacana
  • Abies pinsapo var. marocana, Moroccan fir
  • Abies pinsapo var. pinsapo
  • Cephalotaxus harringtonii var. wilsoniana, Taiwan plum yew
  • Cupressus arizonica var. nevadensis
  • Cupressus goveniana var. goveniana
  • Cupressus guadalupensis var. forbesii
  • Cupressus guadalupensis var. guadalupensis
  • Juniperus deppeana var. zacatecensis
  • Juniperus gracilior var. gracilior
  • Juniperus gracilior var. urbaniana
  • Keteleeria davidiana var. formosana
  • Larix decidua var. polonica
  • Picea alcoquiana var. acicularis
  • Picea alcoquiana var. reflexa
  • Picea asperata var. notabilis
  • Picea likiangensis var. hirtella
  • Picea maximowiczii var. maximowiczii
  • Pinus armandii var. mastersiana
  • Pinus caribaea var. caribaea
  • Pinus greggii var. australis
  • Pinus radiata var. radiata, Cambria pine
  • Pinus strobus var. chiapensis
  • Podocarpus madagascariensis var. procerus
  • Podocarpus sellowii var. sellowii
  • Torreya fargesii var. fargesii
  • Torreya fargesii var. ''yunnanensis''