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

Field Museum of Natural History
Catalog #: C0534863F
L. Holtz #s.n. 27 September 1897
Chara aspera C.L.Willdenow
Poland, Mecklenburg-Vorpommern, Greifswald; The Danish Wiek

University Herbarium, University of California, Berkeley
Catalog #: UC2038892
L. Holtz #s.n. 27 September 1897
Chara aspera C.L.Willdenow
Germany, Pommerania: Greifswald, Danisches Wieck