J.T.C. Vestergren [1-1800, plus extras]
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University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00066634
C. J. Johanson s.n. 28 August 1884
Polystigma obscurum Juel
Sweden, Jemtland
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Field Museum of Natural History
Catalog #: C0241019F
7aa81e6d-ebda-48f4-927c-057b1fda96d2
C. J. Johanson #s.n. 28 August 1884
Polystigma obscurum Juel Juel
Sweden, Jämtland, [Precise locality unknown]
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USDA United States National Fungus Collections
Catalog #: BPI 629912
Johanson C. J. s.n. 28 August 1884
Polystigma obscurum Juel
Sweden, Jemtland
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