F. Petrak [1-2100]
USDA United States National Fungus Collections
s.n.
Aecidium isopyri J. Schröt.
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Charles Gardner Shaw Mycological Herbarium, Washington State University
F. Petrak s.n. 00 May 1917
Aecidium isopyri J. Schröt.
Poland, Galizien: Strzalkow bei Stryj
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