F.K.A.E.J. de Thümen [1-750, plus extras]
USDA United States National Fungus Collections
s.n.
Peronospora gangliformis (Berkeley) de Bary
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University of Illinois Herbarium
Thumen s.n. 00 October 1873
Peronospora gangliformis f. lactucae sativae
Czech Republic, Bohemia, Tetschen; Tetschen
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University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
v. Thumen s.n. 00 October 1873
Peronospora gangliformis (Berkeley) de Bary
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