F.K.A.E.J. de Thümen [1-2300, plus extras]
University of Illinois Herbarium
P. Sydow s.n.
Polyporus betulinus (Bull.) Fr.
Germany, Berlin; Berlin
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University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
P. Sydow s.n.
Polyporus betulinus (Bull.) Fr.
Germany, Marchia: Berlin
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Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0016495
P. Sydow s.n.
Polyporus betulinus (Bull.) Fr.
Germany, Berlin
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USDA United States National Fungus Collections
Sydow P. s.n.
Polyporus betulinus (Bull.) Fr.
Germany, Berlin
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USDA United States National Fungus Collections
Sydow P. s.n.
Polyporus betulinus (Bull.) Fr.
Germany, Berlin
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