J. Weese [1-800]
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USDA United States National Fungus Collections
Catalog #: BPI 1044213
s.n.
Sphaerotheca fuliginea (Schltdl.) Pollacci
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USDA United States National Fungus Collections
Catalog #: BPI 604409
Nannfeldt J. A. s.n. 21 August 1929
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
Germany, Wegrand
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