- Pityrogramma, genus Pityrogramma - terrestrial tropical ferns having fronds with powdery yellowish or white undersides; sometimes placed in family Polypodiaceae or Adiantaceae
--1 is a kind of fern genus
--1 is a member of Pteridaceae, family Pteridaceae
--1 has members:silver fern, Pityrogramma argentea; silver fern, Pityrogramma calomelanos; golden fern, Pityrogramma calomelanos aureoflava; gold fern, Pityrogramma chrysophylla