P. Sydow and W. Zopf [1-4900]
Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0016041
P. Sydow s.n. 00 August 1887
Plasmopara densa (Rbh.)
Germany, Berlin
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USDA United States National Fungus Collections
P. Sydow #s. n. 00 August 1887
Peronospora densa Rabenh.
Germany, Klein Machnow, Berlin
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