Mycotheca Marchica #3822
P. Sydow and W. Zopf [1-4900]
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USDA United States National Fungus Collections
Catalog #: BPI 1057627
P. Sydow #s. n. 00 July 1893
Erysiphe umbelliferarum (Lév.) de Bary
Germany, Berlin, am Wannsee
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