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

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00061820
C. A. Hart s.n. 26 June 1883
Peronospora arthuri Farl.
United States, Illinois, Warsaw;

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00061834
C. A. Hart s.n. 26 June 1883
Peronospora arthuri Farl.
United States, Illinois, Warsaw;

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00061839
C. A. Hart s.n. 26 June 1883
Peronospora arthuri Farl.
United States, Illinois, Warsaw;

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0214506
C. A. Hart s.n. 26 June 1883
Peronospora arthuri Farl.
United States, Illinois, Warsaw;

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000249414
C. A. Hart #282b 26 June 1883
Peronospora arthuri Farl.
United States, Illinois, Hancock, Warsaw

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000274462
C. A. Hart #282b 26 June 1883
Peronospora arthuri Farl.
United States, Illinois, Hancock, Warsaw

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000274477
C. A. Hart #282b 26 June 1883
Peronospora arthuri Farl.
United States, Illinois, Hancock, Warsaw

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP4956
C.A. Hart s.n. 26 June 1883
Peronospora arthuri Farl.
United States, Illinois, Warsaw

Purdue University, Kriebel Herbarium
Catalog #: PUL00028484
CA Hart s.n. 26 June 1883
Peronospora arthuri Farl.
United States, Illinois, Hancock, Warsaw;

USDA United States National Fungus Collections
Catalog #: BPI 787135
Hart, C. A. s.n. 26 June 1883
Peronospora arthurii Farl.
United States, Illinois, Warsaw

USDA United States National Fungus Collections
Catalog #: BPI 787137
Hart, C. A. s.n. 26 June 1883
Peronospora arthurii Farl.
United States, Illinois, Warsaw

University of North Carolina at Chapel Hill Herbarium: Fungi
Catalog #: NCU-F-0017792
Hart, C. A. #282b 26 June 1883
Peronospora arthuri Farl.
United States, Illinois, Hancock, Warsaw, Ill. [Illinois]

USDA United States National Fungus Collections
Catalog #: BPI 787066
Hart, C. A. #3737 26 June 1883
Peronospora arthurii Farl.
United States, Illinois, Warsaw