F.K.A.E.J. de Thümen [1-2300, plus extras]
University of Illinois Herbarium
de Thuemen s.n. 00 July 1875
Peronospora trifoliorum de Bary
Germany, Bavaria, Bayreuth; Bayreuth
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USDA United States National Fungus Collections
de Thumen s.n. 00 July 1875
Peronospora trifoliorum de Bary
Germany, Bayreuth, Bavaria
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University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
de Thumen s.n. 00 July 1875
Peronospora trifoliorum de Bary
Germany, Bavaria, Bayreuth;
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Purdue University, Kriebel Herbarium
de Thumen s.n.
Peronospora trifoliorum de Bary
Germany, Bavaria, Bayreuth;
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USDA United States National Fungus Collections
de Thumen s.n. 00 July 1875
Peronospora trifoliorum de Bary
Germany, Bayreuth, Bavaria
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University of Michigan Herbarium
de Thümen #s. n. 00 July 1875
Peronospora trifoliorum f. trifolii-arvensis Thümen
Germany, Bavaria: Bayreuth
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Charles Gardner Shaw Mycological Herbarium, Washington State University
DeThumen s.n. 00 July 1875
Peronospora trifoliorum f. Trifolii arvensis DeBary; (de Thumen)
Germany, Bavaria, Bayreuth
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