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

USDA United States National Fungus Collections
Catalog #: BPI 1005078
s.n.
Peziza nigrescens Sw.

USDA United States National Fungus Collections
Catalog #: BPI 1005079
s.n.
Peziza nigrescens Sw.

Academy of Natural Sciences of Drexel University
Catalog #: PH00301088
J. B. Ellis #s.n. 00 August 1874
Peziza nigrescens Cooke
USA, New Jersey, Gloucester, Newfield