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

USDA United States National Fungus Collections
Catalog #: BPI 1054458
P. Sydow #s. n. 00 September 1884
Erysiphe linkii Lév.
Germany, Wilmersdorf, Berlin

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0125137
P. Sydow #s.n. 00 September 1884
Erysiphe artemisiae Grev.
Germany, Berlin, Wilmersdorf bei Berlin.