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As of September 2016, the International Union for Conservation of Nature (IUCN) lists 3654 endangered plant species.[1] 17% of all evaluated plant species 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.

37 extinct in the wild plant species (0.16%)2493 critically endangered plant species (11%)3654 endangered plant species (17%)5430 vulnerable plant species (25%)1851 near threatened plant species (8.5%)6645 least concern plant species (31%)1674 data deficient plant species (7.7%)
Plant species (IUCN, 2016-2)
  • 21,782 extant species have been evaluated
  • 20,108 of those are fully assessed[lower-alpha 1]
  • 8496 are not threatened at present[lower-alpha 2]
  • 11,577 to 13,251 are threatened[lower-alpha 3]
  • 151 to 296 are extinct or extinct in the wild:
    • 116 extinct (EX) species[lower-alpha 4]
    • 35 extinct in the wild (EW)
    • 132 possibly extinct [CR(PE)]
    • 13 possibly extinct in the wild [CR(PEW)]
  1. excludes data deficient evaluations.
  2. NT, LR/cd, LC.
  3. Threatened comprises CR, EN and VU. Upper estimate additionally includes DD.
  4. Chart omits extinct (EX) species
Endangered (EN) species are considered to be facing a very high risk of extinction in the wild.
Endangered (EN) species are considered to be facing a very high risk of extinction in the wild.

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 exintction". 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 (7.6% 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.[2] 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."[3]

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



Mosses



Liverworts



Pteridophytes


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


Leptosporangiate ferns


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


Polypodiales

Species

Subspecies


Hymenophyllales


Cyatheales


Salviniales


Isoetopsida



Lycopodiopsida



Gymnosperms


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


Ginkgos



Cycads


Species

Subspecies


Conifers


Species

Subspecies

Varieties


Gnetopsida



Dicotyledons


There are 2770 species, 81 subspecies, and 70 varieties of dicotyledon assessed as endangered.


Piperales


There are 51 species in the order Piperales assessed as endangered.


Piperaceae


Chloranthaceae


Campanulales



Campanulaceae

Species

Subspecies


Aristolochiales



Theales


There are 174 species, 12 subspecies, and two varieties in Theales assessed as endangered.


Dipterocarpaceae

Species

Subspecies


Theaceae

Species

Varieties


Actinidiaceae


Guttiferae

Species

Subspecies

Varieties


Other Theales species


Linales


Species

Varieties


Malvales


There are 67 species, four subspecies, and one variety in the order Malvales assessed as endangered.


Malvaceae

Species

Subspecies


Sterculiaceae

Species

Varieties


Bombacaceae


Sarcolaenaceae


Tiliaceae


Elaeocarpaceae


Geraniales



Lecythidales


Species

Subspecies


Polygalales


Species

Subspecies

Varieties


Santalales



Proteales



Dipsacales


Species

Subspecies

Varieties


Plumbaginales



Rubiales


Species

Subspecies

Varieties


Violales


There are 68 species, one subspecies, and one variety in Violales assessed as endangered.


Flacourtiaceae

Species

Subspecies


Violaceae


Passifloraceae

Species

Varieties


Other Violales species


Euphorbiales


There are 93 species, four subspecies, and 15 varieties in Euphorbiales assessed as endangered.


Buxaceae


Euphorbiaceae

Species

Subspecies

Varieties


Laurales


There are 67 species, two subspecies, and two varieties in the order Laurales assessed as endangered.


Gomortegaceae


Monimiaceae


Hernandiaceae

Species

Subspecies


Lauraceae

Species

Subspecies

Varieties


Cucurbitales



Begoniaceae


Ebenales


There are 96 species, one subspecies, and two varieties in Ebenales assessed as endangered.


Symplocaceae

Species

Subspecies

Varieties


Sapotaceae


Ebenaceae


Celastrales


There are 43 species in the order Celastrales assessed as endangered.


Icacinaceae


Hollies


Celastraceae


Dichapetalaceae


Myrtales


There are 227 species, four subspecies, and ten varieties in the order Myrtales assessed as endangered.


Myrtaceae

Species

Subspecies

Varieties


Melastomataceae

Species

Varieties


Combretaceae


Thymelaeaceae


Lythraceae

Species

Varieties


Onagraceae


Sapindales


There are 121 species, three subspecies, and seven varieties in the order Sapindales assessed as endangered.


Rutaceae

Species

Subspecies

Varieties


Sapindaceae

Species

Varieties


Anacardiaceae

Species

Varieties


Meliaceae

Species

Subspecies


Burseraceae

Species

Varieties


Other Sapindales

Species

Varieties


Asterales


Species

Subspecies

Varieties


Magnoliales


There are 166 species and six subspecies in the order Magnoliales assessed as endangered.


Canellaceae


Winteraceae


Magnoliaceae

Species

Subspecies


Annonaceae

Species

Subspecies


Myristicaceae

Species

Subspecies


Capparales


There are 30 species in Capparales assessed as endangered.


Capparaceae


Cruciferae


Apiales


There are 63 species and one variety in the order Apiales assessed as endangered.


Araliaceae

Species

Varieties


Umbelliferae


Gentianales


There are 64 species and two varieties in the order Gentianales assessed as endangered.


Apocynaceae

Species

Varieties


Loganiaceae

Species

Varieties


Asclepiadaceae


Gentianaceae


Rosales


There are 77 species, four subspecies, and four varieties in the order Rosales assessed as endangered.


Chrysobalanaceae


Brunelliaceae

Species

Subspecies


Pittosporaceae


Cunoniaceae

Species

Varieties


Rosaceae

Species

Subspecies

Varieties


Other Rosales

Species

Varieties


Primulales


There are 21 species in Primulales assessed as endangered.


Myrsinaceae


Primulaceae


Rhamnales


Species

Varieties


Urticales


There are 24 species, one subspecies, and three varieties in Urticales assessed as endangered.


Urticaceae

Species

Varieties


Ulmaceae


Cecropiaceae


Moraceae

Species

Subspecies

Varieties


Solanales



Scrophulariales


There are 216 species, 11 subspecies, and two varieties in the order Scrophulariales assessed as endangered.


Oleaceae

Species

Varieties


Buddlejaceae


Gesneriaceae

Species

Subspecies


Bignoniaceae


Acanthaceae

Species

Subspecies


Scrophulariaceae


Lentibulariaceae


Lamiales


There are 55 species and three subspecies in the order Lamiales assessed as endangered.


Verbenaceae


Labiatae


Boraginaceae

Species

Subspecies


Linderniaceae


Nepenthales


There are 17 species, three subspecies, and one variety in Nepenthales assessed as endangered.


Nepenthaceae


Droseraceae


Sarraceniaceae

Subspecies

Varieties


Ranunculales



Polygonales



Podostemales



Fabales


Species

Subspecies

Varieties


Caryophyllales


There are 214 species and one subspecies in the order Caryophyllales assessed as endangered.


Caryophyllaceae


Amaranthaceae


Nyctaginaceae


Chenopodiaceae


Portulacaceae


Cactus

Species

Subspecies


Aizoaceae


Fagales


Species

Varieties


Other dicotyledon species



Monocotyledons


There are 625 species, ten subspecies, and two varieties of monocotyledon assessed as endangered.


Arecales


Species

Subspecies


Orchidales


There are 245 species, four subspecies, and two varieties in Orchidales assessed as endangered.


Orchidaceae

Species

Subspecies

Varieties


Burmanniaceae


Cyclanthales



Bromeliales



Liliales


There are 96 species and two subspecies in the order Liliales assessed as endangered.


Dracaenaceae


Iridaceae


Aloaceae

Species

Subspecies


Amaryllidaceae

Species

Subspecies


Liliaceae


Other Liliales species


Arales



Araceae

Species

Subspecies


Zingiberales



Eriocaulales



Commelinales



Cyperales


There are 55 species in Cyperales assessed as endangered.


Gramineae


Cyperaceae


Najadales



Other monocotyledons


Species

Subspecies


See also



Notes


  1. Listed by IUCN as Shorea agami.
  2. Listed by IUCN as Terminalia intermedia; see Plants of the World Online for taxonomy: "T. diptera (Sagra) Greuter & R. Rankin", and synonyms[4]

References


  1. "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.
  2. "Limitations of the Data". The IUCN Red List of Threatened Species. Union for Conservation of Nature and Natural Resources (IUCN). Retrieved 11 January 2016.
  3. "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.
  4. Royal Botanic Gardens, Kew; Kew Science. "Terminalia diptera (Sagra) Greuter & R. Rankin". Plants of the World Online. Retrieved 24 November 2021.


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