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-098730
Heinrich Sandstede s.n.
Lecidea illota Sandst.
Germany, Niedersachsen, Auf Dachziegeln in Zwischenahn, Oldenburg

University of Illinois Herbarium
Catalog #: ILL00037632
Heinrich Sandstede #s.n.
Rhizocarpon illotum (Sandst.) Lettau
Germany, in Zwischenahn, Oldenburg.

Cornell University Plant Pathology Herbarium
Catalog #: CUP-L-0006868
Heinrich Sandstede #s.n.
Rhizocarpon distinctum Th. Fr.
Germany, Lower Saxony, Ammerland, Zwischenahn, Oldenburg