Rehm, Ascomyc.H. Rehm [1-2175, plus extras]
USDA United States National Fungus Collections
s.n.
Valsa ambiens (Pers.) Fr.
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Cornell University Plant Pathology Herbarium
O. S. B. Strasser #2257 00 May 1906
Valsa ambiens (Pers.) Fr.
Austria, Lower Austria, Amstetten, Sonntagberg; Sonntagberg, N. Oesterreich.
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USDA United States National Fungus Collections
Strasser s.n. 00 May 1906
Valsa ambiens f. populi Rehm
Germany, Sonntagberg, N.-Oesterreich
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