Ellis & Everhart, N. Amer. Fungi. Ser. II
J.B. Ellis ; B.M. Everhart [1501-3600, plus extras]

USDA United States National Fungus Collections
Catalog #: BPI 960288
s.n.
Erysiphe graminis DC.
United States

USDA United States National Fungus Collections
Catalog #: BPI 562982
Dearness J. s.n.
Erysiphe graminis DC.
Canada, Ontario, London

University of Illinois Herbarium
Catalog #: ILL00100072
J Dearness s.n.
Erysiphe graminis DC.
Canada, Ontario, London; London

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0089661
J Dearness s.n.
Erysiphe graminis DC.
Canada, Ontario, London

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00052395
J. Dearness s.n.
Erysiphe graminis DC.
Canada, London;

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00052409
J. Dearness s.n.
Erysiphe graminis DC.
Canada, London;

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00052415
J. Dearness s.n.
Erysiphe graminis DC.
Canada, Ontario, London;

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0257186
J. Dearness s.n.
Erysiphe graminis DC.
Canada, London;

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000229502
J. Dearness #2813
Erysiphe graminis DC.
Canada, Ontario, London

Academy of Natural Sciences of Drexel University
Catalog #: PH00302479
J. Dearness #s.n.
Erysiphe graminis DC.
Canada, Ontario, London

Academy of Natural Sciences of Drexel University
Catalog #: PH00315452
J. Dearness #s.n.
Erysiphe graminis DC.
Canada, Ontario, London