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

Miami University - Algae
Catalog #: 000198223
L. Kolderup Rosenvinge #s.n. 02 October 1881
Euastrum oblongum Ralfs
Denmark, in stagnis Rüdersdals Mose in Selandia