W. A. Tranzschel and J. Serebrianikow
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Wisconsin State Herbarium, Fungi
Catalog #: WIS-F-0077530
s.n.
Polyporus umbellatus (Pers.) Fr.
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USDA United States National Fungus Collections
Catalog #: BPI 1036479
s.n.
Polyporus umbellatus (Pers.) Fr.
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USDA United States National Fungus Collections
Catalog #: BPI 223292
Buchholz F. s.n. 15 July 1899
Polyporus umbellatus (Pers.) Fr.
USSR, Michailovskoye, Moscow Prov.
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