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

Arizona State University Lichen Herbarium
Catalog #:
L.E. Schaerer s.n.
Parmelia atra (Huds.) Ach.
Switzerland

Duke University Herbarium Lichen Collection
Catalog #: 396285
b19c0d07-80d2-4d64-a5fd-1ce8dd1f7577
Schaerer, Ludwig, Emanuel #s.n.
Tephromela atra (Hudson) Hafellner
Switzerland, Switzerland, unspecified