USDA United States National Fungus Collections
s.n.
Erysiphe communis (Wallr.) Schltdl.
Germany
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USDA United States National Fungus Collections
Vill A. s.n. 00 September 1907
Erysiphe communis (Wallr.) Schltdl.
Germany, Bavaria, Unterfranken, Gerolzhofen, Radstein near Breitbach
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