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

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP4997
L. H. Pammel s.n. 00 August 1890
Peronospora graminicola (Saccardo) Saccardo
United States, Iowa, Ames

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00062065
L. H. Pammel s.n. 00 August 1890
Peronospora graminicola (Saccardo) Saccardo
United States, Iowa, Ames;

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00062067
L. H. Pammel s.n. 00 August 1890
Peronospora graminicola (Saccardo) Saccardo
United States, Iowa, Ames;

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00062068
L. H. Pammel s.n. 00 August 1890
Peronospora graminicola (Saccardo) Saccardo
United States, Iowa, Ames;

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00062069
L. H. Pammel s.n. 00 August 1890
Peronospora graminicola (Saccardo) Saccardo
United States, Iowa, Ames;

Michigan State University Herbarium
Catalog #: MSC0214235
L. H. Pammel s.n.
Peronospora graminicola (Saccardo) Saccardo
United States, Iowa, Ames;

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000249210
L. H. Pammel #64
Sclerospora graminicola (Sacc.) J. Schröt.
United States, Iowa, Ames

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000274553
L. H. Pammel #64
Sclerospora graminicola (Sacc.) J. Schröt.
United States, Iowa, Ames

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000274554
L. H. Pammel #64
Sclerospora graminicola (Sacc.) J. Schröt.
United States, Iowa, Ames

Cornell University, Plant Pathology Herbarium
Catalog #: S.E.,Econ.F.0064
L.H. Pammel s.n.
Peronospora graminicola (Saccardo) Saccardo
United States, Iowa, Story, Ames;

Cornell University, Plant Pathology Herbarium
Catalog #: CUP-F-0018
L.H. Pammel #s.n.
Peronospora graminicola (Saccardo) Saccardo
United States, Iowa, Story, Ames;

Purdue University, Kriebel Herbarium
Catalog #: PUL00027424
LH Pammel s.n. 00 August 1890
Peronospora graminicola (Saccardo) Saccardo
United States, Iowa, Story, Ames;

University of Florida Herbarium
Catalog #: FLAS-F-01031
LH Pammel s.n. 00 August 1890
Peronospora graminicola (Saccardo) Saccardo
United States, Iowa, Ames;

University of Florida Herbarium
Catalog #: FLAS-F-01030
LH Pammel s.n.
Peronospora graminicola (Saccardo) Saccardo
United States, Iowa, Story, Ames