Petrak, Fl. Bohem. Morav. Exs. PilzeF. Petrak [1-2575]
USDA United States National Fungus Collections
s.n.
Valsa ceratophora Tul. & C. Tul.
Czech Republic
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University of Wisconsin-Madison Herbarium
F. Petrak #s 05 September 1915
Valsa ceratophora Tul. & C. Tul.
Czech Republic, Mahr-Weisskirchen: "dicker Haus"
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