Uredineen #2441
P. Sydow [1-2850, plus supplements]
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USDA United States National Fungus Collections
Catalog #: BPI 1032181
s.n.
Phragmidium potentillae (Pers.) P. Karst.
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USDA United States National Fungus Collections
Catalog #: BPI 128134
Dearness J. s.n. 16 September 1911
Frommea obtusa (F. Strauss) Arthur
Canada, Ontario, London near
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Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0014832
J. Dearness s.n. 16 September 1911
Phragmidium potentillae-canadensis Dietel
Canada, Ontario, Middlesex, London;
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