F.V. Bucholtz [1-700]
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Cornell University Plant Pathology Herbarium
Catalog #: F.rossici-0539
s.n.
Erysiphe polygoni DC.
Russia
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USDA United States National Fungus Collections
Catalog #: BPI 947460
I. Matewjew #s.n. 00 July 1914
Erysiphe polygoni DC.
Latvia, Livonia, Cremon
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Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP2415
I. Matwejew s.n. 06 July 1914
Erysiphe polygoni DC.
Latvia, Livonia, Cremon
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