Department of Botany and Plant Pathology, Oklahoma Agriculture and Mech. College
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USDA United States National Fungus Collections
Catalog #: BPI 404012
Ray W. W. s.n. 21 July 1943
Marssonina populi (Lib.) Magnus
United States, Oklahoma, Stillwater
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USDA United States National Fungus Collections
Catalog #: BPI 404014
Ray W. W. s.n. 21 July 1943
Marssonina populi (Lib.) Magnus
United States, Oklahoma, Stillwater
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USDA United States National Fungus Collections
Catalog #: BPI 404017
Ray W. W. s.n. 21 July 1943
Marssonina populi (Lib.) Magnus
United States, Oklahoma, Stillwater
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University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0022179
W. W. Ray #2902 21 July 1943
Marssonina populi (Lib.) Magnus
United States, Oklahoma, Stillwater;
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