A.B. Seymour and F.S. Earle [1-550, plus extras]

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00052306
F. C. Stewart s.n. 09 August 1895
Erysiphe communis (Wallr.) Schltdl.
United States, New York, Queens, Long Island

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00052320
F. C. Stewart s.n. 09 August 1895
Erysiphe communis (Wallr.) Schltdl.
United States, New York, Queens, Long Island

Michigan State University Herbarium
Catalog #: MSC0214728
F. C. Stewart s.n. 09 August 1895
Erysiphe communis (Wallr.) Schltdl.
United States, New York, Queens, Long Island;

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000249275
F. C. Stewart #464b 09 August 1895
Erysiphe communis (Wallr.) Schltdl.
United States, New York, Queens, Long Island

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0015812
F. C. Stewart #s.n. 09 August 1895
Erysiphe polygoni DC.
United States, New York, Queens, Long Island

Field Museum of Natural History
Catalog #: C0285335F
126fbefa-76da-4eac-afc5-5ff095e7b97e
F. C. Stewart #s.n. 09 August 1895
Erysiphe communis (Wallr.) Schltdl. (Wallr.) Schltdl.
U.S.A., New York, Queens, [Precise locality unknown]

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP2331
F.C. Stewart s.n. 09 August 1895
Erysiphe communis (Wallr.) Schltdl.
United States, New York, Queens, Long Island

Purdue University, Kriebel Herbarium
Catalog #: PUL00027626
FC Stewart s.n. 09 August 1895
Erysiphe communis (Wallr.) Schltdl.
United States, New York, Queens, Long Island;

University of North Carolina at Chapel Hill Herbarium
Catalog #: NCU-F-0018456
Stewart, F. C. #s.n. 09 August 1895
Erysiphe communis (Wallr.) Schltdl.
United States, New York, Queens, Long Island