J.B. Ellis, B.M. Everhart, and E. Bartholomew [1501-5100, plus extras]

USDA United States National Fungus Collections
Catalog #: BPI 785459
Cook, Robert; Cook, Elizabeth s.n. 13 July 1910
Plasmopara viticola (Berk. & M.A. Curtis) Berl. & De Toni
United States, Maryland, Lanham

USDA United States National Fungus Collections
Catalog #: BPI 785480
Cook, Robert; Cook, Elizabeth s.n. 13 July 1910
Plasmopara viticola (Berk. & M.A. Curtis) Berl. & De Toni
United States, Maryland, Lanham

USDA United States National Fungus Collections
Catalog #: BPI 785483
Cook, Robert; Cook, Elizabeth s.n. 13 July 1910
Plasmopara viticola (Berk. & M.A. Curtis) Berl. & De Toni
United States, Maryland, Lanham

USDA United States National Fungus Collections
Catalog #: BPI 965241
Cook, Robert; Cook, Elizabeth #s.n. 13 July 1910
Rhysotheca viticola (Berk. & M.A. Curtis) G.W. Wilson
United States, Maryland, Lanham

USDA United States National Fungus Collections
Catalog #: BPI 965441
Cook, Robert; Cook, Elizabeth #s.n. 13 July 1910
Rhysotheca viticola (Berk. & M.A. Curtis) G.W. Wilson
United States, Maryland, Lanham

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000285999
R. Cook #3380 13 July 1910
Rhysotheca viticola (Berkeley & M.A. Curtis) G.W. Wilson
United States, Maryland, Lanham

University of Florida Herbarium
Catalog #: FLAS-F-00836
R. Cook #s. n. 13 July 1910
Rhysotheca viticola (Berkeley & M.A. Curtis) G.W. Wilson
United States, Maryland, Prince Georges, Lanham

University of Michigan Herbarium
Catalog #: 336753
R. Cook #s. n. 13 July 1910
Rhysotheca viticola (Berk. & M.A. Curtis) G.W. Wilson
USA, Maryland, Prince Georges, Lanham.

Cornell University Plant Pathology Herbarium
Catalog #: F.Columbiani-3380
Robert & Elizabeth Cook s.n. 13 July 1910
Rhysotheca viticola (Berkeley & M.A. Curtis) G.W. Wilson
United States, Maryland, Prince Georges, Lanham;

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0250117
Robert & Elizabeth Cook s.n. 13 July 1910
Rhysotheca viticola (Berkeley & M.A. Curtis) G.W. Wilson
United States, Maryland, Lanham;

Purdue University, Kriebel Herbarium
Catalog #: PUL00020816
Robert and Elizabeth Cook s.n. 13 July 1910
Rhysotheca viticola (Berkeley & M.A. Curtis) G.W. Wilson
United States, Maryland, Prince Goeorge's, Lanham;

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0032469
Robert Cook #s.n. 13 July 1910
Plasmopara viticola (B.&C.) Berl. & DeToni
United States, Maryland, Lanham;

Clemson University Herbarium
Catalog #: CLEMS-F0004815
Robert Cook #s.n. 13 July 1910
Rhysotheca viticola (Berk. & M.A. Curtis) G.W. Wilson
United States, Maryland, Lanham; Lanham; 38.96694 -76.86222

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP10514
Robert Cook; Elizabeth Cook s.n. 13 July 1910
Rhysotheca viticola (Berkeley & M.A. Curtis) G.W. Wilson
United States, Maryland, Lanham