Ellis & Everhart, N. Amer. Fungi. Ser. IIJ.B. Ellis ; B.M. Everhart [1501-3600, plus extras]
Michigan State University Herbarium non-lichenized fungi
B. D. Halsted s.n. 00 July 1886
Peronospora graminicola (Saccardo) Saccardo
United States, Iowa, Ames;
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Academy of Natural Sciences of Drexel University
B.D. Halsted #s.n 00 July 1886
Sclerospora graminicola (Sacc.) J. Schröt.
United States, Iowa, Story, Ames
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USDA United States National Fungus Collections
Halsted, B. D. s.n. 00 July 1886
Sclerospora graminicola (Sacc.) J. Schröt.
United States, Iowa, Ames
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