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

USDA United States National Fungus Collections
Catalog #: BPI 1023902
s.n.
Erysiphe communis (Wallr.) Schltdl.
United States, Washington

USDA United States National Fungus Collections
Catalog #: BPI 562245
Suksdorf Wilhelm N. s.n. 19 September 1885
Erysiphe communis (Wallr.) Schltdl.
United States, Washington, Mt. Adams

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0015480
W.N. Suksdorf #230 19 September 1885
Erysiphe communis (Wallr.) Schltdl.
United States, Washington, Mt. Adams

University of California Berkeley, University Herbarium
Catalog #: UC976052
W.N. Suksdorf #230 19 September 1885
Erysiphe asperifoliorum Grev.
USA, Washington, Yakima, Mt. Adams

University of Georgia, Julian H. Miller Mycological Herbarium
Catalog #: GAM00008600
Wilhelm N. Suksdorf s.n. 19 September 1885
Erysiphe communis (Wallr.) Schltdl.
USA, Washington, Mount Adams