G.L. Rabenhorst [1-2600]
USDA United States National Fungus Collections
s.n. 00 July 1870
Erysiphe polygoni DC.
Switzerland, Salem, Baden
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USDA United States National Fungus Collections
s.n.
Erysiphe communis (Wallr.) Schltdl.
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USDA United States National Fungus Collections
Jack. s.n. 00 July 1870
Erysiphe communis (Wallr.) Schltdl.
Germany, Salem
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