F.V. Bucholtz [1-700]

Cornell University, Plant Pathology Herbarium
Catalog #: F.rossici-0040
s.n.
Sphaerotheca
Russia

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0082795
s.n.
Sphaerotheca pannosa (Wallr.) Lév.

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP11576
O. Treboux s.n. 21 July 1914
Sphaerotheca pannosa (Wallr.) Lév.
Latvia, Pernau, in hortis