W. A. Tranzschel and J. Serebrianikow
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University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0078012
s.n.
Pseudovalsa umbonata (Tul. & C. Tul.) Sacc.
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USDA United States National Fungus Collections
Catalog #: BPI 1036441
s.n.
Pseudovalsa umbonata (Tul. & C. Tul.) Sacc.
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USDA United States National Fungus Collections
Catalog #: BPI 623169
Serebrianikov s.n. 06 December 1908
Pseudovalsa umbonata (Tul. & C. Tul.) Sacc.
USSR, Schebekino, Kursk Prov.
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