W.B. Cooke [1-450]

Cornell University, Plant Pathology Herbarium
Catalog #: WBC,Myc.N.A.0021
s.n.
Erysiphe polygoni DC.

University of Wyoming, Wilhelm G. Solheim Mycological Herbarium
Catalog #: RMS0024500
13346 #s.n. 21 July 1939
Erysiphe polygoni DC.
United States, California, Siskiyou, municipal spring above Howard, Mount Shasta

University of California Berkeley, University Herbarium
Catalog #: UC629155
W. B. Cooke #13346 21 July 1939
Erysiphe pisi DC.
USA, California, Siskiyou, Municipal Spring above Howard, Mt. Shasta

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP21132
W. Bridge Cooke s.n. 21 July 1939
Erysiphe polygonii
United States, California, Siskiyou, municipal spring above Howard, Mount Shasta

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0084511
W.B. Cooke #13346 21 July 1939
Erysiphe pisi DC.
USA, California, Siskiyou, in the vicinity of the Municipal Spring above Howard, Mount Shasta