Mycotheca Marchica #1439
P. Sydow and W. Zopf [1-4900]
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USDA United States National Fungus Collections
Catalog #: BPI 1055242
P. Sydow #s. n. 00 July 1887
Peronospora parasitica (Persoon) de Bary
Germany, Schoeneberg, Berlin
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