Cheilanthoideae
Guides
Pentagramma
goldback ferns
Pentagramma is a small genus of North American ferns in the family Pteridaceae, segregated from Pityrogramma in 1990. The genus comprises six recognized diploid species, primarily distributed in California and Baja California, with P. triangularis ranging more broadly across western North America. Members produce a distinctive powdery-waxy secretion called farina on their lower leaf surfaces.