D. Griffiths [1-400, plus extras]

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0056079
D. Griffiths #s.n. 00 August 1901
Sphaerotheca humuli (DC.) Burrill
United States, Oregon, Stein's Mts.

Cornell University Plant Pathology Herbarium
Catalog #: Griff.,W.A.F.0172
Griffiths s.n. 00 August 1901
Sphaerotheca humuli (DC.) Burrill
United States, Oregon, Stein's Mts.

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00081132
Griffiths s.n. 00 August 1901
Sphaerotheca humuli (DC.) Burrill
United States, Oregon, Stein's Mts.

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0119016
Griffiths #s.n. 00 August 1901
Sphaerotheca violae U. Braun
USA, Oregon, Stein's Mountains

Purdue University, Kriebel Herbarium
Catalog #: PUL00022743
Griffiths and Morris s.n. 00 August 1901
Sphaerotheca humuli (DC.) Burrill
United States, Oregon, Harney, Steens Mountain

USDA United States National Fungus Collections
Catalog #: BPI 605894
Griffiths; Morris s.n. 00 August 1901
Sphaerotheca violae U. Braun
United States, Oregon, Steins Mtns.

USDA United States National Fungus Collections
Catalog #: BPI 796688
Griffiths; Morris s.n. 00 August 1901
Sphaerotheca humuli (DC.) Burrill
United States, Oregon, Stein's Mtns.

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP11485
Griffiths; Morris s.n. 00 August 1901
Sphaerotheca humuli (DC.) Burrill
United States, Oregon, Harney, Steens Mountain