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

Field Museum of Natural History
Catalog #: C2018992F
s.n.
Lecidea cinereoatra Ach.

University of Illinois Herbarium
Catalog #: ILL00037588
Th. Schneider #s.n. 00 September 1928
Porpidia cinereoatra (Ach.) Hertel & Knoph
Germany, Thuringen: Masserberg bei Massermuhle.

Cornell University Plant Pathology Herbarium
Catalog #: CUP-L-0006837
Th. Schneider #s.n. 00 September 1928
Porpidia cinereoatra (Ach.) Hertel & Knoph
Germany, Thuringia