Migula, Sydow & Wahlstedt, Characeae Exs.
Migula, E.F.A.W.; Sydow, P.; Wahlstedt, L.J. [1 - 150]

Field Museum of Natural History
Catalog #: C0535031F
Dr. W. Migula #s.n. 02 September 1891
Chara aspera var. curta (Nolte ex Kützing) A.Braun ex H.von Leonhardi
Switzerland, Near Forbach in Schwarzwald (The Black Forest).

University Herbarium, University of California, Berkeley
Catalog #: UC2038891
W. Migula #s.n. 02 September 1891
Chara aspera C.L.Willdenow
Germany, In einem steinigen Wasserloche unweit Forbach im Schwarzwald, fast vertrocknet

University Herbarium, University of California, Berkeley
Catalog #: UC2038849
W. Migula #s.n. 02 September 1891
Chara aspera C.L.Willdenow
Germany, Baden-Württemberg, Freiburg, Schwarzwald (Black Forest)