W.B. Cooke [1-450]

Cornell University, Plant Pathology Herbarium
Catalog #: WBC,Myc.N.A.0019
s.n.
Erysiphe cichoracearum DC.

University of Wyoming, Wilhelm G. Solheim Mycological Herbarium
Catalog #: RMS0024502
13380 #s.n. 04 August 1939
Erysiphe cichoracearum DC.
United States, California, along the Sisson Southern Trail, Mount Shasta

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP21130
W. B. Cooke s.n. 04 August 1939
Erysiphe cichoracearum DC.
United States, California, along the Sisson Southern Trail, Mount Shasta