P. ahtianum P. boryanum P. byrsaeum P. chilense P. pseudoisidiatum Physma is a genus of cyanolichens in the family Pannariaceae.

It has five species.

[1] The genus was circumscribed by Italian lichenologist Abramo Bartolommeo Massalongo in 1854, with Physma boryanum assigned as the type species.

This Peltigerales-related article is a stub.

You can help Wikipedia by expanding it.