Adenophorus is a genus of ferns in the family Polypodiaceae, subfamily Grammitidoideae, according to the Pteridophyte Phylogeny Group classification of 2016 (PPG I). The genus is endemic to Hawaii. Species , the Checklist of Ferns and Lycophytes of the World accepted the following species and 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 oahuensis (Copel.) L.E.Bishop Adenophorus periens L.E.Bishop Adenophorus sarmentosus (Brack.) K.A.Wilson Adenophorus tamariscinus (Kaulf.) Hook. & Grev. Adenophorus tenellus (Kaulf.) Ranker Adenophorus tripinnatifidus Gaudich. References Polypodiaceae Fern genera