Wittrock & Nordstedt, Algae Aquae Dulcis Exs.
Wittrock, V.B.; Nordstedt, C.F.O. [1 - 1200]

University Herbarium, University of California, Berkeley
Catalog #: UC759548
G. Lagerheim #s.n. 15 March 1890
Closterium turgidum Ehrenberg ex Ralfs