Petrak, Fl. Bohem. Morav. Exs. PilzeF. Petrak [1-2575]
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University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0081056
J. Petrak #s.n. 00 September 1913
Pyrenopeziza ligni (Desm.) Sacc.
Czech Republic, Mähr-Weisskirchen: Mil. Oberrealschule
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