J.T.C. Vestergren [1-1800, plus extras]
University of Wisconsin-Madison Herbarium
s.n.
Peronospora polygoni Halst.
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USDA United States National Fungus Collections
Hariot, P. s.n. 16 May 1911
Peronospora polygoni Halst.
France, Gallia, Chalons-sur-Marne
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USDA United States National Fungus Collections
Hariot, P. s.n. 16 May 1911
Peronospora polygoni Halst.
France, Gallia, Chalons-sur-Marne
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Purdue University, Kriebel Herbarium
P Hariot s.n. 16 May 1911
Peronospora polygoni Halsted
Gallia, Chalons-sur-Marne
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University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
P. Hariot s.n. 16 May 1911
Peronospora polygoni Halsted
France, Gallia: Chalons-sur-Marne
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