Department of Botany and Plant Pathology, Oklahoma Agriculture and Mech. College
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USDA United States National Fungus Collections
Catalog #: BPI 561862
Ray; Preston s.n. 04 November 1943
Erysiphe cichoracearum DC.
United States, Oklahoma, Lake Carl Blackwell, Stillwater
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USDA United States National Fungus Collections
Catalog #: BPI 561867
Ray; Preston s.n. 04 November 1943
Erysiphe cichoracearum DC.
United States, Oklahoma, Lake Carl Blackwell, Stillwater
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USDA United States National Fungus Collections
Catalog #: BPI 561879
Ray; Preston s.n. 04 November 1943
Erysiphe cichoracearum DC.
United States, Oklahoma, Lake Carl Blackwell, Stillwater
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Cornell University Plant Pathology Herbarium
Catalog #: C.H.OK-0099
W.W. Ray and D.A. Preston s.n. 04 November 1943
Erysiphe cichoracearum DC.
USA, Oklahoma, Payne, Stillwater, Lake Carl Blackwell
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