Rehm, Ascomyc.
H. Rehm [1-2175, plus extras]

USDA United States National Fungus Collections
Catalog #: BPI 1005069
s.n.
Sphaerella populi Fuckel
Germany

Academy of Natural Sciences of Drexel University
Catalog #: PH00303712
G. Winter #s.n. 00 May 1874
Sphaerella populi Auersw.
Germany, Leipzig am Bienitz