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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0075842
F. Petrak #s.n. 06 August 1919
Phloeospora heraclei (Lib.) Petr.
Czech Republic, Mähr-Weisskirchen: Olspitz

USDA United States National Fungus Collections
Catalog #: BPI 400620
Petrak F. s.n. 06 August 1919
Cylindrosporium heraclei Ellis & Everhart
Czechoslovakia, Moravia, Hranice (Maehr.-weisskirchen), Olspitz