Doryopteris angelica is a rare fern species, known by the common name Kauai digit fern. It is endemic to Hawaii where only small populations are known. The ferns grow on slopes in Hawaiian tropical rainforests habitat, and have been found only on the island of Kauai. It was federally listed as an endangered species in 2010. Taxonomy Doryopteris angelica is closely related to Doryopteris decora, and was first described as a separate species in 1999. It is now placed in the Cheilanthoideae subfamily of the Pteridaceae. References External links USDA Plants Profile for Doryopteris angelica (Kauai digit fern) Isotype: Doryopteris angelica angelica Endemic flora of Hawaii Native ferns of Hawaii Biota of Kauai Plants described in 1999 Critically endangered flora of the United States