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

University Herbarium, University of California, Berkeley
Catalog #: UC97706
O. Nordstedt #s.n. 08 August 1877
Cosmarium pygmaeum W.Archer
Sweden, Västergötland (Vg), Jönköping, Mullsjö; Sandem

Miami University - Algae
Catalog #: 000197877
O. Nordstedt #s.n. 08 August 1877
Cosmarium pygmaeum W.Archer
Sweden