F.V. Bucholtz [1-700]

Cornell University Plant Pathology Herbarium
Catalog #: F.rossici-0078
s.n.
Coleosporium petasitidis (DC.) Thüm.
Russia

USDA United States National Fungus Collections
Catalog #: BPI 947399
s.n.
Coleosporium petasitis (DC.) de Bary

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP14030
O. Treboux s.n. 00 September 1914
Coleosporium petasitis de Bary
Latvia, Riga; area of Riga, Caesarea forest

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0012760
O. Treboux #s.n. 00 April 1914
Coleosporium petasitidis (DC.) Thüm.

USDA United States National Fungus Collections
Catalog #: BPI 134565
Treboux O. s.n. 00 September 1914
Coleosporium petasitis (DC.) de Bary
USSR, Livonia, Latvia, near Riga Caesarea woods