J.T.C. Vestergren [1-1800, plus extras]
USDA United States National Fungus Collections
s.n.
Peronospora parasitica (Persoon) de Bary
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USDA United States National Fungus Collections
s.n.
Peronospora parasitica (Persoon) de Bary
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USDA United States National Fungus Collections
s.n.
Peronospora parasitica (Persoon) de Bary
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University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Fr. Bubak s.n.
Peronospora parasitica (Persoon) de Bary
Czech Republic
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