Department of Botany and Plant Pathology, Oklahoma Agriculture and Mech. College
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USDA United States National Fungus Collections
Catalog #: BPI 557913
Preston D. A. s.n. 09 October 1943
Microsphaera diffusa Cooke & Peck
United States, Oklahoma, Picher, Ottawa Co. 2 miles E. of
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USDA United States National Fungus Collections
Catalog #: BPI 557914
Preston D. A. s.n. 09 October 1943
Microsphaera diffusa Cooke & Peck
United States, Oklahoma, Picher, Ottawa Co. 2 miles E. of
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USDA United States National Fungus Collections
Catalog #: BPI 565377
Preston D. A. s.n. 09 October 1943
Erysiphe polygoni DC.
United States, Oklahoma, Picher, Ottawa Co. 2 miles E. of
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University of California Berkeley, University Herbarium
Catalog #: UC670836
W. W. Ray #s.n. 27 May 1939
Puccinia podophylli
USA, Oklahoma, Antlers
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