F.K.A.E.J. de Thümen [1-2300, plus extras]
University of Illinois Herbarium
s.n.
Polystictus schweinitzii (Fr.) P. Karst.
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USDA United States National Fungus Collections
s.n.
Polystictus schweinitzii (Fr.) P. Karst.
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University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Ch. B. Plowright s.n.
Polyporus schweinizii Fr.
England, Epping-Essex
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USDA United States National Fungus Collections
Plowright Ch. B. s.n.
Polyporus schweinitzii Fr.
England, Epping-Essex
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