Mycotheca Generalis #1890
F. Petrak [1-2100]
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USDA United States National Fungus Collections
Catalog #: BPI 992960
s.n.
Valsa nivea
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Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP19267
F. Petrak s.n. 00 September 1917
Valsa nivea
Ukraine, Galizien: Podhorce bei Stryi
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USDA United States National Fungus Collections
Catalog #: BPI 574756
Petrak F. s.n. 00 September 1917
Valsa nivea
USSR, Galizien, Podhorce near Stryj
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