Petrak, Fl. Bohem. Morav. Exs. PilzeF. Petrak [1-2575]
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University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0073610
s.n.
Microthyriella rubi Petr.
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USDA United States National Fungus Collections
Catalog #: BPI 644752
Piskor J. s.n. 00 May 1926
Microthyriella rubi Petr.
Czechoslovakia, Sternberg, Maehren
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