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

USDA United States National Fungus Collections
Catalog #: BPI 957642
s.n.
Peronospora effusa (Grev.) Rabenh.

USDA United States National Fungus Collections
Catalog #: BPI 786609
Farlow s.n.
Peronospora alta Fuckel
United States, Massachusetts, Newton

University of Illinois Herbarium
Catalog #: ILL00097338
Farlow s.n.
Peronospora effusa var. plantaginis Farlow
United States, Massachusetts, Middlesex, Newton; Newton

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00061954
Farlow s.n.
Peronospora effusa var. Plantaginis Farlow
United States, Massachusetts, Newton;

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00061998
Farlow s.n.
Peronospora effusa var. Plantaginis Farlow
United States, Massachusetts, Newton;

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0086991
Farlow s.n.
Peronospora effusa var. plantaginis Farlow
United States, Massachusetts, Middlesex, Newton

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0253405
Farlow s.n.
Peronospora effusa plantaginis
United States, Massachusetts, Newton;

University of Michigan Herbarium
Catalog #: 335876
Farlow #s. n.
Peronospora effusa var. plantaginis Farlow
USA, Massachusetts, Newton

Academy of Natural Sciences of Drexel University
Catalog #: PH00300566
Farlow #s.n.
Peronospora effusa (Grev.) Rabenh.
United States, Massachusetts, Middlesex, Newton

Academy of Natural Sciences of Drexel University
Catalog #: PH00314336
Farlow #s.n.
Peronospora farinosa (Fr.) Fr.
United States, Massachusetts, Middlesex, Newton

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000227793
W. G. Farlow #214
Peronospora effusa var. plantaginis Far.
USA, Massachusetts, Middlesex, Newton

New York Botanical Garden
Catalog #: 1959527
9e53e5fc-da51-4793-a6d1-7ffe370c530b
W. G. Farlow #s.n.
Peronospora alta Fuckel
United States of America, Massachusetts, Middlesex Co., Newton