Exsiccatae

Mycobiota of North America #22

W.B. Cooke [1-450]

Cornell University Plant Pathology Herbarium
Catalog Number: WBC,Myc.N.A.0022
s.n.
Sphaerotheca humuli (DC.) Burrill

University of Wyoming, Wilhelm G. Solheim Mycological Herbarium
Catalog Number: RMS0024499
13403 #s.n.
Sphaerotheca humuli (DC.) Burrill
United States, California, Siskiyou, along the Wagon Camp-Horse Camp Trail half a mile above Wagon Camp

USDA United States National Fungus Collections
Catalog Number: BPI 605897
Cooke Wm. Bridge #13403 00 August 1932
Sphaerotheca violae U. Braun
United States, California, Wagon Camp alt. 6300 ft., along Wagon Camp-horse Camp Trail, .5 Mile above

USDA United States National Fungus Collections
Catalog Number: BPI 858668
Cooke, Wm. Bridge s.n. 31 August 1939
Sphaerotheca humuli (DC.) Burrill
United States, California, Wagon Camp, Mount Shasta Horse Camp Trail, half a mile above

USDA United States National Fungus Collections
Catalog Number: BPI 952616
Cooke, Wm. Bridge s.n. 31 August 1939
Sphaerotheca humuli (DC.) Burrill
United States, California, Wagon Camp, Mount Shasta Horse Camp Trail, half a mile above

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog Number: WSP21133
unknown s.n. 22 August 1939
Sphaerotheca humuli (DC.) Burrill
United States, California, along Wagon Camp-Horse Camp Trail, 1/2 mile above Wagon Camp