Petrak, Crypt. Exs.
F. Petrak [3201- 4700]

USDA United States National Fungus Collections
Catalog #: BPI 1043043
s.n.
Erysiphe cichoracearum DC.
Hungary

USDA United States National Fungus Collections
Catalog #: BPI 1043113
s.n.
Erysiphe cichoracearum DC.
Hungary

Field Museum of Natural History
Catalog #: C0285520F
9f44c578-d901-45a4-b99c-a0f8c9beccc4
W. Brandenburger #s.n. 01 October 1966
Erysiphe cichoracearum DC. DC.
Germany, North Rhine-Westphalia, Bonn, Bonn; Bonn, Research garden at Pharmakognostischen Institute