Pentagramma is a small genus of North American ferns in the family Pteridaceae. Until 1990 members of this genus were included in Pityrogramma, and there has been considerable disagreement regarding t

Notholaena is a genus of ferns known as cloak ferns in the family Pteridaceae. Species of this genus are mostly epipetric or occurring in coarse, gravelly soils, and are most abundant and diverse in t