P. Sydow [1-2850, plus supplements]
USDA United States National Fungus Collections
s.n.
Micropuccinia xanthii (Schwein.) Arthur & H.S. Jacks.
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USDA United States National Fungus Collections
Weir J. R. s.n.
Puccinia xanthii Schwein.
United States, Montana, Livingston
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