Exsiccatae

Mycobiota of North America #20

W.B. Cooke [1-450]

Cornell University Plant Pathology Herbarium
Catalog Number: WBC,Myc.N.A.0020
s.n.
Erysiphe graminis DC.

University of Wyoming, Wilhelm G. Solheim Mycological Herbarium
Catalog Number: RMS0024501
1331 #s.n. 07 July 1939
Erysiphe graminis DC.
USA, California, Siskiyou, Mount Shasta, vicinity of Bear Springs

USDA United States National Fungus Collections
Catalog Number: BPI 562842
Cooke W. B. #13331 07 July 1939
Erysiphe graminis DC.
United States, Washington, Bear Springs alt. 5000 ft., vicinity

USDA United States National Fungus Collections
Catalog Number: BPI 952614
Cooke W. B. #13331 07 July 1939
Erysiphe graminis DC.
United States, California, vicinity of Bear Springs

USDA United States National Fungus Collections
Catalog Number: BPI 859594
Cooke, Wm. Bridge #13331 07 July 1939
Erysiphe graminis DC.
United States, California, Bear Sjprings, Mount Shasta vicinity of

Iowa State University, Ada Hayden Herbarium
Catalog Number: ISC-F-0075685
W. B. Cooke #13331 07 July 1939
Blumeria graminis (DC.) Speer
USA, California, Siskiyou, Mount Shasta

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog Number: WSP21131
W.B. Cooke s.n. 07 July 1939
Erysiphe graminis DC.
United States, California, vicinity of Bear Springs