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

USDA United States National Fungus Collections
Catalog #: BPI 1004923
s.n.
Helotium immutabile Fuckel
Germany

USDA United States National Fungus Collections
Catalog #: BPI 1004924
s.n.
Helotium immutabile Fuckel
Germany

Academy of Natural Sciences of Drexel University
Catalog #: PH00301435
H. S. Rehm #s.n. 00 September 1869
Helotium immutabile Fuckel
Germany, bei Sugenheim in Franken