O. Jaap and C. Brick [1-959]
University of Wisconsin-Madison Herbarium
G. Winter #s.n. 00 October 1880
Melampsora betulina G. Winter
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USDA United States National Fungus Collections
Jaap Otto s.n. 30 April 1911
Helicomyces niveus Bres. & Jaap
Germany, Schleswig-Holstein, Escheburg, near Bergedorf
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USDA United States National Fungus Collections
Jaap Otto s.n. 30 April 1911
Helicomyces niveus Bres. & Jaap
Germany, Schleswig-Holstein, Escheburg, near Bergedorf
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Purdue University, Kriebel Herbarium
O Jaap s.n. 30 April 1911
Helicomyces niveus Bres.
Germany, Schleswig Holstein, Escheburg; bei Bergedorf
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