Petrak, Fl. Bohem. Morav. Exs. PilzeF. Petrak [1-2575]
University of Wisconsin-Madison Herbarium
s.n.
Ustilago perennans Rostr.
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USDA United States National Fungus Collections
s.n.
Ustilago perennans Rostr.
Czech Republic
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USDA United States National Fungus Collections
Steppan R. s.n. 00 June 1914
Ustilago perennans Rostr.
Czechoslovakia, Stribro? (Mies) in Bohemia
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