Abrodictyum
''Abrodictyum'' is a fern genus in the family Hymenophyllaceae. The genus is accepted in the Pteridophyte Phylogeny Group classification of 2016 (PPG I) but not by some other sources, which sink it into a broadly defined ''Trichomanes''. Taxonomy The genus ''Abrodictyum'' was erected by Carl Presl in 1843. Its status, like other genera in the family Hymenophyllaceae, remains disputed. The Pteridophyte Phylogeny Group classification of 2016 (PPG I) accepts the genus, placing it in the subfamily Trichomanoideae, and saying that there are about 25 species. , the ''Checklist of Ferns and Lycophytes of the World'' listed 41 species, whereas ''Plants of the World Online'' sank the genus into ''Trichomanes''. Species , the ''Checklist of Ferns and Lycophytes of the World'' accepted the following species: *'' Abrodictyum angustimarginatum'' (Bonap.) J.P.Roux *'' Abrodictyum asae-grayi'' (Bosch) Ebihara & K.Iwats. *'' Abrodictyum boninense'' Tagawa & K.Iwats. ex K.Iwats. *'' Abrodic ...
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