Thümen, Fungi Austr. Exs.F.K.A.E.J. de Thümen [1-1200]
University of Illinois Herbarium
de Thümen s.n.
Sphaerotheca castagnei Lév.
Czech Republic, Bohemia, Bílina
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USDA United States National Fungus Collections
Thuemen s.n.
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
Czechoslovakia, Bohemia
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