Schaerer, Lich. Helv. Exs. Ed. I [Bernae (Berne)]
Ludwig Emanuel Schaerer [1-650]
IndExs #729589223

Lichen Herbarium of the Museum of Evolution, Uppsala University
Catalog #: L-114307
Schaerer s.n.
Opegrapha rufescens Pers.
Switzerland, Ad Fagos circa Bernam