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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0075982
F. Petrak #s.n. 30 August 1913
Phleospora
Czech Republic, M. Weisskirchen: Ludinabach.

USDA United States National Fungus Collections
Catalog #: BPI 388033
Petrak F. s.n. 30 August 1913
Phloeospora trifolii Cavara
Czechoslovakia, Moravia, Hranice (Maehr.-weisskirchen), Ludina Brook