W. A. Tranzschel and J. Serebrianikow
USDA United States National Fungus Collections
s.n.
Puccinia nigrescens L.A. Kirchn.
Russia
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USDA United States National Fungus Collections
Nevodovski s.n. 26 August 1911
Puccinia nigrescens L.A. Kirchn.
USSR, Georgia, Tbilisi (Tiflis) Botanic Garden
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University of Wisconsin-Madison Herbarium
Newodowsky #s.n. 26 August 1911
Puccinia nigrescens Peck
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