W. A. Tranzschel and J. Serebrianikow

USDA United States National Fungus Collections
Catalog #: BPI 1036440
s.n.
Valsa ambiens (Pers.) Fr.

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0086143
Serebrianikov #s.n. 12 August 1909
Valsa ambiens (Pers.) Fr.
Russian Federation, Berdicino prov. Jaroslawl.

USDA United States National Fungus Collections
Catalog #: BPI 700558
Serebrianikow s.n. 12 August 1909
Valsa ambiens f. tiliae Rehm
USSR, Berdicino, Jaroslawl Prov.