J. Weese [1-800]
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USDA United States National Fungus Collections
Catalog #: BPI 1044140
Weese Jos. s.n.
Erysiphe polygoni DC.
Czech Republic, Freudenthal, Schlesien
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USDA United States National Fungus Collections
Catalog #: BPI 564752
Weese Jos. s.n.
Erysiphe polygoni DC.
Czechoslovakia, Schlesien
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