Migula, Krypt. Germ., Austr. Helv. Exs. [Pilze]
E.F.A.W. Migula [1-425]

Cornell University Plant Pathology Herbarium
Catalog #: Mig.,C.G,A.H-0228
s.n.
Coleosporium petasitis de Bary

USDA United States National Fungus Collections
Catalog #: BPI 134536
Migula W. s.n. 00 September 1921
Coleosporium petasitis (DC.) de Bary
East Germany, Eisenach, on Way to Stregda

USDA United States National Fungus Collections
Catalog #: BPI 986621
Migula W. s.n. 00 September 1921
Coleosporium petasitis (DC.) de Bary
Germany, Eisenach, on Way to Stregda

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0253235
W. Migula s.n. 00 September 1921
Coleosporium petasitis de Bary
Germany, Eisenach; On the way (am Wege nach) Stregda

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000275494
W. Migula #228 01 September 1921
Coleosporium petasitis de Bary
Germany, Eisenach: Am Wege nach Stregda.

University of Michigan Herbarium
Catalog #: 252677
W. Migula #s. n. 00 September 1921
Coleosporium petasitis de Bary
Germany, Eisenach: Am Wege nach Stregda.

Academy of Natural Sciences of Drexel University
Catalog #: PH00317458
W. Migula #s.n. 00 September 1921
Coleosporium petasitis de Bary
Germany, Eisenach, Am Wege nach Stregda.