Magnusson, Lich. Sel. Scand. Exs. [Göteborg]
Adolf Hugo Magnusson [1-425]
IndExs #952371716

Yale University Herbarium, Peabody Museum of Natural History
Catalog #: YU.185140
s.n.
Arthonia didyma Körb.
Sweden

Lichen Herbarium of the Museum of Evolution, Uppsala University
Catalog #: L-154464
Gunnar Degelius s.n. 27 June 1937
Arthonia didyma Körb.
Sweden, Skaft, Bohuslän; Vägeröd