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

Miami University - Algae
Catalog #: 000211322
s.n.
Spirogyra catenaeformis (Hassall) Kützing

University Herbarium, University of California, Berkeley
Catalog #: UC98259
J. Arechavaleta #s.n. 00 September 1884
Spirogyra arcta (C.Agardh) Endlichter
Uruguay, Montevideo, Montevideo. Uruguay.

University Herbarium, University of California, Berkeley
Catalog #: UC759434
J. Arechavaleta #s.n. 00 September 1884
Spirogyra arcta (C.Agardh) Endlichter
Uruguay, Montevideo, Montevideo. Uruguay.