W. A. Tranzschel and J. Serebrianikow

USDA United States National Fungus Collections
Catalog #: BPI 1036596
s.n.
Ceriospora ribis Henn. & Plöttn.

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0067416
Krylow #s.n. 22 August 1910
Coleosporium petasitidis (DC.) Thüm.

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0066791
Serebrianikow #s.n. 00 August 1909
Ceriospora ribis Henn. & Plöttn.