Migula, Krypt. Germ., Austr. Helv. Exs. [Flechten] [Karlsruhe]
E.F.A. Walter Migula [1-350]
IndExs #682473216

Lichen Herbarium of the Museum of Evolution, Uppsala University
Catalog #: L-098784
H. Sandstede s.n. 00 December 1902
Arthonia spadicea Leighton
Germany, Niedersachsen, Oldenburg, bei Giesselhorst

University of Illinois Herbarium
Catalog #: ILL00037397
H. Sandstede #s.n. 00 December 1902
Arthonia Ach.
Germany, Oldenburg: bei Giessellhorst

Cornell University Plant Pathology Herbarium
Catalog #: CUP-L-0006454
H. Sandstede #s.n. 00 December 1902
Arthonia spadicea Leighton
Germany, Oldenburg: bei Giesselhorst

Academy of Natural Sciences of Drexel University - Lichens
Catalog #: PH00792011
H. Sandstede #s.n. 00 December 1902
Coniangium spadiceum (Leight.) Arnold
Germany, Oldenburg: bei Giessellhorst