Department of Botany and Plant Pathology, Oklahoma Agriculture and Mech. College
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USDA United States National Fungus Collections
Catalog #: BPI 443219
Ray W. W. s.n. 22 July 1943
Heterosporium gracile (Wallr.) Sacc.
United States, Oklahoma, Stillwater
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USDA United States National Fungus Collections
Catalog #: BPI 443221
Ray W. W. s.n. 22 July 1943
Heterosporium gracile (Wallr.) Sacc.
United States, Oklahoma, Stillwater
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USDA United States National Fungus Collections
Catalog #: BPI 443222
Ray W. W. s.n. 22 July 1943
Heterosporium gracile (Wallr.) Sacc.
United States, Oklahoma, Stillwater
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University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0019658
W. W. Ray #2903 23 July 1943
Heterosporium gracile (Wallr.) Sacc.
United States, Oklahoma, Stillwater;
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