Petrak, Fl. Bohem. Morav. Exs. PilzeF. Petrak [1-2575]
University of Wisconsin-Madison Herbarium
F. Petrak #s.n. 03 September 1923
Marssonina violae (Pass.) Magnus
Czech Republic, Hochgesenke: Gr. Kessel.
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USDA United States National Fungus Collections
Petrak F. s.n. 03 September 1923
Marssonina violae (Pass.) Magnus
Czechoslovakia, Moravia, Hruby Jesenik (Hohegesenke), Velky Kotel? (Grosser Kessel)
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