Anonymous, Calif. FungiHerbarium of the University of California. [1- ? 1425]
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Cornell University Plant Pathology Herbarium
Catalog #: CaliforniaF.00889
s.n.
Erysiphe polygoni DC.
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Wisconsin State Herbarium, Fungi
Catalog #: WIS-F-0015689
J. P. Tracy #13220 17 June 1934
Erysiphe polygoni DC.
United States, California, Mendocino, Cummings;
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Field Museum of Natural History
Catalog #: C0285451F
cc5b5f94-260e-4a4a-ba01-7f0b522e78e3
J. P. Tracy #13220 17 June 1934
Erysiphe polygoni DC. DC.
U.S.A., California, Mendocino, Cummings; Cummings
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USDA United States National Fungus Collections
Catalog #: BPI 948599
J. P. Tracy #13220 17 June 1934
Erysiphe polygoni DC.
United States, California, Mendocino, Cummings
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Louisiana State University, Bernard Lowy Mycological Herbarium
Catalog #: LSU00155884
Joseph P. Tracy #13220 17 June 1934
Erysiphe polygoni DC.
United States, California, Mendocino, Cummings.
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