Petrak, Fl. Bohem. Morav. Exs. PilzeF. Petrak [1-2575]
University of Wisconsin-Madison Herbarium
F. Petrak #s.n. 24 September 1913
Heterosporium spiraeae Syd. & P. Syd.
Czech Republic, Moravia, Mähr-Weisskirchen. [illeg.]
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USDA United States National Fungus Collections
Petrak J. s.n. 24 September 1913
Heterosporium spiraeae Syd. & P. Syd.
Czechoslovakia, Moravia, Hranice (Maehr.-weisskirchen) Military Academy
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