D. Griffiths [1-400, plus extras]

Cornell University Plant Pathology Herbarium
Catalog #: Griff.,W.A.F.0131
s.n. 00 November 1955
Meliola Fr.

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0056172
T. A. Williams #s.n. 00 August 1898
Sphaerotheca humuli (DC.) Burrill
United States, Wyoming, N. Fork Clear Creek near Buffalo

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00081231
Williams s.n. 00 August 1898
Sphaerotheca humuli fulignea
United States, Wyoming, N. Fork Clear Creek near Buffalo

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0118971
Williams #s.n. 00 August 1898
Sphaerotheca fusca (Fr.) S. Blumer
USA, Wyoming, N. Fork Clear Creek near Buffalo

Purdue University, Kriebel Herbarium
Catalog #: PUL00022689
Williams and Griffiths s.n. 00 August 1898
Sphaerotheca humuli fuliginea
United States, Wyoming, Johnson, N Fork Clear Creek near Buffalo

USDA United States National Fungus Collections
Catalog #: BPI 604488
Williams T. A.; Griffiths s.n. 00 August 1898
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
United States, Wyoming, N. Fork Clear Creek, near Buffalo

USDA United States National Fungus Collections
Catalog #: BPI 796636
Williams; Griffiths s.n. 00 August 1898
Sphaerotheca humuli (DC.) Burrill
United States, Wyoming, Buffalo N. Fork Clear Creek, near

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP11550
Williams; Griffiths s.n. 00 August 1898
Sphaerotheca humuli var. fuliginea (DC.) Burr.; ((Schl.) Salm.)
United States, Wyoming, North Fork of Clear Creek near Buffalo