Brenckle, Fungi Dakot.J.F. Brenckle [1-675, plus extras]
Charles Gardner Shaw Mycological Herbarium, Washington State University
O. A. Stevens s.n. 00 September 1914
Erysiphe communis (Wallr.) Schltdl.
United States, North Dakota, Schafer
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University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
O. A. Stevens s.n. 00 September 1914
Erysiphe communis (Wallr.) Schltdl.
United States, North Dakota, Schafer;
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University of Wisconsin-Madison Herbarium
O.A. Stevens #s.n. 00 September 1914
Erysiphe polygoni DC.
United States, North Dakota, Mckenzie, Schafer;
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Brown University Herbarium
OA Stevens s.n. 00 September 1914
Erysiphe communis (Wallr.) Schltdl.
United States, North Dakota, McKenzie, Schafer;
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USDA United States National Fungus Collections
Stevens O. A. s.n. 00 September 1914
Erysiphe communis (Wallr.) Schltdl.
United States, North Dakota, Schafer
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USDA United States National Fungus Collections
Stevens O. A. s.n. 00 September 1914
Erysiphe communis (Wallr.) Schltdl.
United States, North Dakota, Schafer
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USDA United States National Fungus Collections
Stevens, O.A. #s. n. 00 September 1914
Erysiphe communis (Wallr.) Schltdl.
United States, North Dakota, Schafer
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USDA United States National Fungus Collections
Stevens, O.A. #s. n. 00 September 1914
Erysiphe communis (Wallr.) Schltdl.
United States, Schafer
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