P. Sydow [1-2850, plus supplements]
USDA United States National Fungus Collections
s.n.
Melampsora euphorbiae-dulcis G.H. Otth
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USDA United States National Fungus Collections
Poeverlein H. s.n. 24 September 1922
Melampsora euphorbiae-dulcis f. sp. euphorbiae-strictae
West Germany, Bavaria, Nr. Speyer
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