F.K.A.E.J. de Thümen [1-750, plus extras]
University of Illinois Herbarium
Thuemen s.n. 00 September 1872
Uredo betulina Wahlenb.
Czech Republic, Bohemia, Konigswald; Konigswald
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University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
von Thumen s.n. 00 September 1872
Melampsora betulina G. Winter
, Bohem: bei Konigswald
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