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

Miami University - Algae
Catalog #: 000210886
s.n.
Rhizoclonium rigidum

Field Museum of Natural History
Catalog #: C0531953F
M. Foslie #s.n. 05 September 1882
Rhizoclonium riparium (Roth) Harvey
Norway, Finnmark, Kulfjord near Havösund