Ellis, N. Amer. Fungi
J.B. Ellis [1 - 1500, plus extras]

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00052330
Dr. George Martin s.n. 00 November 1880
Erysiphe communis (Wallr.) Schltdl.
United States, Pennsylvania, Delaware

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00052347
Dr. George Martin s.n. 00 November 1880
Erysiphe communis (Wallr.) Schltdl.
United States, Pennsylvania, Delaware

University of Illinois Herbarium
Catalog #: ILL00097718
G Martin s.n. 00 November 1880
Erysiphe communis (Wallr.) Schltdl.
United States, Pennsylvania, Delaware, Delaware County

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0087388
G Martin s.n. 00 November 1880
Erysiphe communis (Wallr.) Schltdl.
United States, Pennsylvania, Delaware, Delaware County

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000247553
G. Martin #558 00 November 1880
Erysiphe communis (Wallr.) Schltdl.
United States, Pennsylvania, Delaware

Academy of Natural Sciences of Drexel University
Catalog #: PH00302467
G. Martin #s.n. 00 November 1880
Erysiphe communis (Wallr.) Schltdl.
United States, Pennsylvania, Delaware, Delaware County

Academy of Natural Sciences of Drexel University
Catalog #: PH00315438
G. Martin #s.n. 00 November 1880
Erysiphe aquilegiae DC.
United States, Pennsylvania, Delaware, Delaware County

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0253779
George Martin s.n. 00 November 1880
Erysiphe communis (Wallr.) Schltdl.
United States, Pennsylvania, Delaware

USDA United States National Fungus Collections
Catalog #: BPI 562147
Martin George s.n. 00 November 1880
Erysiphe communis (Wallr.) Schltdl.
United States, Pennsylvania, Delaware Co.

USDA United States National Fungus Collections
Catalog #: BPI 957987
Martin George s.n. 00 November 1880
Erysiphe communis (Wallr.) Schltdl.
United States, Pennsylvania, Delaware Co.