P. Sydow and W. Zopf [1-4900]

Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0013106
P. Sydow s.n. 00 May 1881
Peronospora alsinearum Casp.
Germany, Berlin, Berlin;

USDA United States National Fungus Collections
Catalog #: BPI 1054000
P. Sydow #s. n. 00 May 1881
Peronospora alsinearum Casp.
Germany, Schoensberg Berlin