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.
Opegrapha atra var. swartziana (Ach.) Schaer.
Switzerland, Bern, around Belp

Duke University Herbarium Lichen Collection
Catalog #: 396353
8e6a7ee4-9062-45ef-807f-4378b81f628e
Schaerer, Ludwig, Emanuel #s.n.
Arthonia radiata (Pers.) Ach.
Switzerland, Bern, Circa Belp