W. A. Tranzschel and J. Serebrianikow
USDA United States National Fungus Collections
s.n.
Sordaria papyricola G. Winter
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USDA United States National Fungus Collections
Serebrianikow s.n. 00 May 1910
Sordaria fimicola f. papyricola
USSR, Jaroslawl
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University of Wisconsin-Madison Herbarium
Serebrianikow #s.n. 00 May 1910
Sordaria Ces. & De Not.
, Jaroslawl.
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