F.K.A.E.J. de Thümen [1-750, plus extras]
University of Illinois Herbarium
s.n.
Microsphaeria friesii
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University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
de Thumen s.n. 00 September 1873
Cercospora chenopodii Fresen.
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University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Thumen s.n. 00 September 1874
Microsphaera friesii Lév.
Germany, Bayern: bei Bayreuth
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USDA United States National Fungus Collections
Thumen #s.n. 00 September 1874
Microsphaera friesii (Lév.) Sacc.
Germany, Bayern, near Bayreuth
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