F. Petrak [1-2100]
USDA United States National Fungus Collections
s.n.
Puccinia nigrescens L.A. Kirchn.
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USDA United States National Fungus Collections
Smarods J. s.n. 00 June 1943
Puccinia nigrescens L.A. Kirchn.
USSR, Latvia, Riga
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Charles Gardner Shaw Mycological Herbarium, Washington State University
Smarods, J. s.n. 00 June 1943
Puccinia nigrescens Peck
Latvia, Riga
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