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 the species' taxonomy.
[2] The distribution of P. triangularis (goldback fern) extends from British Columbia through the western United States into Baja California in northwestern Mexico.
Members of the genus Pentagramma produce a powdery-waxy secretion on their lower leaf surfaces, called farina.
As of December 2021[update], the Checklist of Ferns and Lycophytes of the World recognized the following species:[4]