Genus
Physcia (Rosette lichens)
Physcia adscendens. Photo: (c) Richard Droker, some rights reserved (CC BY-NC-ND)
Physcia is a genus of lichenized fungi in the family Physciaceae. The genus name means “inflated” or “sausage-like”, referring to the form of the type species. According to a 2008 estimate, the widespread genus contains 73 species.