Exsiccatae

Lichenes Helvetici exsiccati. Editio II [cont.?] #898
Schaerer, Lich. Helv. Exs. Ed. II [?]
Ludwig Emanuel Schaerer [251-962]

Bell Museum lichens
Catalog #: 879383
Hepp s.n.
Arthonia medusula (Pers.) Nyl.
Switzerland