Braun, Rabenhorst & Stizenberger, Characeen Eur.
Braun, A.C.H.; Rabenhorst, G.L.; Stizenberger, E. [1 - 121]

Field Museum of Natural History
Catalog #: C0536636F
Jahn #s.n. 17 June 1856
Nitella opaca f. laxior L.J.Wahlstedt
Germany, Berlin, near Lichtenberg