''Adenophorus'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

fern The ferns (Polypodiopsida or Polypodiophyta) are a group of vascular plants (plants with xylem and phloem) that reproduce via spores and have neither seeds nor flowers. They differ from mosses by being vascular, i.e., having specialized tissue ...

s in the family

Polypodiaceae Polypodiaceae is a Family (biology), family of ferns. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), the family includes around 65 genus, genera and an estimated 1,650 species and is placed in the order Polypodiales, suborder ...

, subfamily

Grammitidoideae Grammitidoideae is a subfamily of the fern family Polypodiaceae, whose members are informally known as grammitids. It comprises a clade of about 750 species. They are distributed over higher elevations in both the Old World, Old and New World. T ...

, according to the

Pteridophyte Phylogeny Group The Pteridophyte Phylogeny Group (PPG) is an informal international group of systematic botanists who collaborate to establish on the classification of pteridophytes ( lycophytes and ferns) that reflects knowledge about plant relationships discove ...

classification of 2016 (PPG I). The genus is

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

Hawaii Hawaii ( ; ) is an island U.S. state, state of the United States, in the Pacific Ocean about southwest of the U.S. mainland. One of the two Non-contiguous United States, non-contiguous U.S. states (along with Alaska), it is the only sta ...

.Ranker, T. A. (1992). ''Adenophorus'' x ''carsonii'' hyb. nov. (Grammitidaceae): A new endemic hybrid from the island of Hawaii. ''Novon'' 2:4 408-10.Ranker, T. A., et al. (2003)
Molecular phylogenetics and evolution of the endemic Hawaiian genus ''Adenophorus'' (Grammitidaceae).
''Molecular Phylogenetics and Evolution'' 26 337-47.

Species

, the ''Checklist of Ferns and Lycophytes of the World'' accepted the following eleven species and two hybrids: * ''Adenophorus'' × ''abbottiae'' W.H.Wagner *'' Adenophorus abietinus'' (D.C.Eaton) K.A.Wilson * ''Adenophorus'' × ''carsonii'' Ranker *'' Adenophorus epigaeus'' (L.E.Bishop) W.H.Wagner *'' Adenophorus haalilioanus'' (Brack.) K.A.Wilson *'' Adenophorus hymenophylloides'' (Kaulf.) Hook. & Grev. *'' Adenophorus montanus'' (Hillebr.) W.H.Wagner *'' Adenophorus oahuensis'' (Copel.) L.E.Bishop *'' Adenophorus periens'' L.E.Bishop *'' Adenophorus pinnatifidus'' Gaudich. *'' Adenophorus tamariscinus'' (Kaulf.) Hook. & Grev. *'' Adenophorus tenellus'' (Kaulf.) Ranker *'' Adenophorus tripinnatifidus'' Gaudich.

References

Polypodiaceae Fern genera {{Polypodiaceae-stub