J.T.C. Vestergren [1-1800, plus extras]

USDA United States National Fungus Collections
Catalog #: BPI 1038281
s.n.
Cenangium populneum (Pers.) Rehm

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00045221
A. von Jaczewski s.n.
Cenangium populneum (Pers.) Rehm
Russia, Smolensk

USDA United States National Fungus Collections
Catalog #: BPI 664929
Jaczewski A. s.n.
Cenangium populneum (Pers.) Rehm
USSR, Smolensk