Räsänen, Lich. Fenn. Exs. [Helsinki]
Veli J. P. B. Räsänen [1-1000]
IndExs #166741729

Lichen Herbarium of the Museum of Evolution, Uppsala University
Catalog #: L-535381
Arvo Koskinen s.n. 23 August 1943
Pertusaria amara (Ach.) Nyl.
Finland, Saarijärvi, Tavastia borealis; Mahlu, Kivikorpi

Duke University Herbarium Lichen Collection
Catalog #: 405176
2433f9ea-3768-49ab-835d-e5c4decbdc5e
Koskinen, Arvo #s.n. 23 August 1943
Lepra amara (Ach.) Hafellner
Finland, Central Finland, Tavastia borealis. Saarijärvi, Mahlu, Kivikorpi