C.G. Shaw and W.B. Cooke [1-98, plus extras]

USDA United States National Fungus Collections
Catalog #: BPI 1023971
s.n.
Sphaerotheca macularis (Wallr.) Magnus
United States, Washington

USDA United States National Fungus Collections
Catalog #: BPI 605385
Suksdorf Wilhelm N. #1126 23 May 1926
Sphaerotheca macularis (Wallr.) Magnus
United States, Washington, Bingen, Klickitat Co.

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0056205
Wilhelm N. Suksdorf #s.n. 23 May 1926
Sphaerotheca macularis (Wallr.) Magnus
United States, Washington, Klickitat, Bingen;