D. Griffiths [1-400, plus extras]

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0032934
T.A. Williams #s.n. 00 August 1898
Podosphaera oxyacanthae (DC.) de Bary
United States, Wyoming, Big Horn;

Cornell University Plant Pathology Herbarium
Catalog #: Griff.,W.A.F.0116
Williams s.n. 00 August 1898
Podosphaera oxyacanthae (DC.) de Bary
United States, Wyoming, Sheridan, Big Horn;

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000281530
Williams #116 00 August 1898
Podosphaera oxyacanthae (DC.) de Bary
United States, Wyoming, Big Horn Mountains

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0097464
Williams #s.n. 00 August 1898
Podosphaera clandestina (Wallr.) Lév. 1851
USA, Wyoming, Big Horn

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00065715
Williams & Griffiths s.n. 00 August 1898
Podosphaera oxyacanthae (DC.) de Bary
United States, Wyoming, Big Horn;

Purdue University, Kriebel Herbarium
Catalog #: PUL00022668
Williams and Griffiths s.n. 00 August 1898
Podosphaera ocyacanthae
United States, Wyoming, Sheridan, Big Horn;

Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0016386
Williams and Griffiths s.n. 00 August 1898
Podosphaera oxyacanthae (DC.) de Bary
United States, Wyoming, Sheridan, Big Horn

USDA United States National Fungus Collections
Catalog #: BPI 603413
Williams; Griffiths s.n. 00 August 1898
Podosphaera oxyacanthae (DC.) de Bary
United States, Wyoming, Big Horn

USDA United States National Fungus Collections
Catalog #: BPI 796619
Williams; Griffiths s.n. 00 August 1898
Podosphaera oxyacanthae (DC.) de Bary
United States, Wyoming, Big Horn

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP5877
Williams; Griffiths s.n. 00 August 1898
Podosphaera oxyacanthae (DC.) de Bary
United States, Wyoming, Big Horn Mountains