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-115284
s.n.
Megaspora verrucosa (Ach.) Hafellner & V. Wirth
Switzerland, In m. Stockhorn