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 nigrescens var. vespertilio (Lightf.) Schaer.
Switzerland, ?, ?, ?

Duke University Herbarium Lichen Collection
Catalog #: 292745
74e9ccb3-fcf2-41ab-8a05-7289983144e6
Schaerer, Ludwig, Emanuel #s.n.
Collema nigrescens (Hudson) DC.
Switzerland, Switzerland, unspecified

Duke University Herbarium Lichen Collection
Catalog #: 396162
20b89bfb-db3f-4516-9d6b-f37d515141f7
Schaerer, Ludwig, Emanuel #s.n.
Collema nigrescens (Hudson) DC.
Switzerland, Switzerland, unspecified