Schaerer, Lich. Helv. Exs. Ed. II [Bernae (Berne)]
Ludwig Emanuel Schaerer [1-250]
IndExs #729589223

Duke University Herbarium Lichen Collection
Catalog #: 395965
0e1b70a1-a51e-4d17-b1dc-80e43d4dac75
Schaerer, Ludwig, Emanuel #s.n.
Arthonia atra (Pers.) A. Schneid.
Switzerland, Scherl