USDA United States National Fungus Collections
s.n.
Phragmidium obtusum Link
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USDA United States National Fungus Collections
s.n.
Phragmidium obtusum Link
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University of California Berkeley, University Herbarium
Gerstenberger #s.n. 00 September 1857
Phragmidium potentillae (Pers.) P. Karst.
Germany, "pr. Dresdam"
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