P. Sydow [1-2850, plus supplements]
USDA United States National Fungus Collections
s.n.
Aecidium compositarum Rabenh.
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Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0000233
R.F. Allen s.n. 15 May 1912
Aecidium compositarum v. helianthi
United States, Michigan, East Lansing;
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