Petrak, Fl. Bohem. Morav. Exs. Pilze
F. Petrak [1-2575]

Wisconsin State Herbarium, Fungi
Catalog #: WIS-F-0077401
s.n.
Pleospora herbarum

USDA United States National Fungus Collections
Catalog #: BPI 625773
Petrak F. s.n. 25 May 1923
Pleospora herbarum f. dorycnii
Czechoslovakia, Moravia, Pollauer Berge