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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0077906
s.n.
Protomyces macrosporus Unger

USDA United States National Fungus Collections
Catalog #: BPI 678598
Jahn J. s.n. 18 September 1916
Protomyces macrosporus Unger
Czechoslovakia, Bohemia, Konradsgruen