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Polystichum calderonense Proctor

threatened or endangered status

USDA Plants data
en voie de disparition
URI : http://eol.org/schema/terms/endangered

Définition : A taxon is Endangered when the best available evidence indicates that it meets any of the \r\ncriteria A to E for Endangered, and it is therefore considered to be facing a very high risk of extinction in the wild.

Attribution : http://www.iucnredlist.org/technical-documents/categories-and-criteria

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