List of POLYPODIOPSIDA species in Santa Helena

Esta é uma lista de POLYPODIOPSIDA em Santa Helena de acordo com a Lista Vermelha da IUCN.

Esta lista foi atualizada pela última vez em 2019-09-14

This list contains only species that have been assessed for the IUCN Red List. It is therefore not representative of all the species in the country.

Nombre científico	Nombre común	taxonid
Hymenophyllum capillaceum	67373107	EN
Asplenium compressum	67373125	VU
Dicksonia arborescens	67370081	VU
Pteris paleacea	67374190	LC
Elaphoglossum furcatum	67410036	NT
Pseudophegopteris dianae	67374221	LC
Diplazium filamentosum	67373719	LC
Asplenium haughtonii	67373229	CR
Elaphoglossum dimorphum	44727	CR
Elaphoglossum nervosum	44728	CR
Trichomanes angustatum	43913	LC
Dryopteris cognata	67373923	CR
Dryopteris napoleonis	67373944	EN
Elaphoglossum lasiolepium	43914	DD
Asplenium aequibasis	43916	LC
Athyrium medium	43917	LC
Asplenium ascensionis	43918	VU
Anogramma ascensionis	43919	CR
Dryopteris ascensionis	43920	EX
Pteris adscensionis	43924	CR
Ptisana purpurascens	43922	CR
Stenogrammitis ascensionensis	43925	CR

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Species are classified by the IUCN Red List into nine groups:

Extinct (EX) – beyond reasonable doubt that the species is no longer extant.

Extinct in the wild (EW) – survives only in captivity, cultivation and/or outside native range, as presumed after exhaustive surveys.

Critically endangered (CR) – in a particularly and extremely critical state.

Endangered (EN) – very high risk of extinction in the wild, meets any of criteria A to E for Endangered.

Vulnerable (VU) – meets one of the 5 red list criteria and thus considered to be at high risk of unnatural (human-caused) extinction without further human intervention.

Near threatened (NT) – close to being at high risk of extinction in the near future.

Least concern (LC) – unlikely to become extinct in the near future.

Data deficient (DD)

Not evaluated (NE)