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

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0125186
s.n. 00 September 1879
Erysiphe paeoniae R.Y. Zheng & G.Q. Chen

USDA United States National Fungus Collections
Catalog #: BPI 1054003
W. Krieger #s. n. 00 September 1879
Erysiphe communis (Wallr.) Schltdl.
Germany, Ebenheit Lilienstein