H.G. Winter [2601-3600, plus extras]
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USDA United States National Fungus Collections
Catalog #: BPI 211660
Harkness s.n.
Polyporus leucospongia Cooke & Harkn.
United States, California, Sierra Nevada
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USDA United States National Fungus Collections
Catalog #: BPI 1000478
Harkness s.n.
Polyporus leucospongia Cooke & Harkn.
United States, California, Sierra Nevada
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USDA United States National Fungus Collections
Catalog #: BPI 1000479
Harkness s.n.
Polyporus leucospongia Cooke & Harkn.
United States, California, Sierra Nevada
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Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0097629
Harkness #s.n.
Polyporus leucospongia Cooke
USA, California, Sierra, Sierra Nevada
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