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

USDA United States National Fungus Collections
Catalog #: BPI 415504
Cook Robert; Cook Elizabeth s.n. 19 September 1910
Didymaria effusa (Berk. & M.A. Curtis) Solheim
United States, Virginia, Luray

USDA United States National Fungus Collections
Catalog #: BPI 437313
Cook Robert; Cook Elizabeth s.n. 19 September 1910
Cercospora hydropiperis (Thüm.) Speg.
United States, Virginia, Luray

USDA United States National Fungus Collections
Catalog #: BPI 437314
Cook Robert; Cook Elizabeth s.n. 19 September 1910
Cercospora hydropiperis (Thüm.) Speg.
United States, Virginia, Luray

USDA United States National Fungus Collections
Catalog #: BPI 965071
Cook Robert; Cook Elizabeth #s.n. 19 September 1910
Cercospora hydropiperis (Thüm.) Speg.
United States, Virginia, Luray

USDA United States National Fungus Collections
Catalog #: BPI 965269
Cook Robert; Cook Elizabeth #s.n. 19 September 1910
Cercospora hydropiperis (Thüm.) Speg.
United States, Virginia, Luray

Cornell University Plant Pathology Herbarium
Catalog #: F.Columbiani-3208
E. Cook s.n. 19 September 1910
Cercospora hydropiperis (Thüm.) Speg.
United States, Virginia, Page, Luray;

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000281817
R. Cook #3208 19 September 1910
Cercospora hydropiperis (Thüm.) Speg.
United States, Virginia, Page, Luray

University of Michigan Herbarium
Catalog #: 328414
R. Cook #s. n. 19 September 1910
Cercospora hydropiperis (Thüm.) Speg.
USA, Virginia, Page, Luray.

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP743
R. Cook; E. Cook s.n. 19 September 1910
Cercospora hydropiperis (Thüm.) Speg.
United States, Virginia, Luray

Brown University Herbarium
Catalog #: CBRU00000172
Robert & Elizabeth Cook s.n. 19 September 1910
Cercospora hydropiperis (Thüm.) Speg.
United States, Virginia, Page, Luray; Luray

University of Florida Herbarium
Catalog #: FLAS-F-14116
Robert & Elizabeth Cook s.n. 19 September 1910
Cercospora hydropiperis (Thüm.) Speg.
United States, Virginia, Luray;

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00046028
Robert & Elizabeth Cook s.n. 19 September 1910
Cercospora hydropiperis (Thüm.) Speg.
United States, Virginia, Luray;

Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0002433
Robert & Elizabeth Cook s.n. 19 September 1910
Cercospora hydropiperis (Thüm.) Speg.
United States, Virginia, Luray;

Purdue University, Kriebel Herbarium
Catalog #: PUL00020719
Robert and Elizabeth Cook s.n. 19 September 1910
Cercospora hydropiperis (Thüm.) Speg.
United States, Virginia, Page, Luray;

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0222944
Robert and Elizabeth Cook s.n. 19 September 1910
Cercospora hydropiperis (Thüm.) Speg.
United States, Virginia, Luray;

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0003669
Robert Cook #s.n. 19 September 1910
Cercospora polygonorum Cooke
United States, Virginia, Luray;