J.T.C. Vestergren [1-1800, plus extras]
University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Tycho Vestergren s.n. 17 September 1898
Peronospora potentillae de Bary
Sweden, Upsala;
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USDA United States National Fungus Collections
Vestergren, Tycho s.n. 17 September 1898
Peronospora potentillae de Bary
Sweden, Upsala botanic garden
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USDA United States National Fungus Collections
Vestergren, Tycho s.n. 17 September 1898
Peronospora potentillae de Bary
Sweden, Upsala botanic garden
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