J.T.C. Vestergren [1-1800, plus extras]
USDA United States National Fungus Collections
s.n.
Peronospora alsinearum Casp.
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University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Tycho Vestergren s.n. 00 September 1898
Peronospora alsinearum Caspary
Sweden, Gotland, Eriks par. Bro
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