genus Pityrogramma
terrestrial tropical ferns having fronds with powdery yellowish or white undersides; sometimes placed in family Polypodiaceae or Adiantaceae • Syn: Pityrogramma • Hypernyms: fern genus • Member Holonyms: Pteridaceae, family Pteridaceae • Member Meronyms: silver fern, Pityrogramma argentea, Pityrogramma calomelanos, golden fern, Pityrogramma calomelanos aureoflava, gold fern, Pityrogramma chrysophylla
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