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

Miami University - Algae
Catalog #: 000211051
s.n.
Spirogyra setiformis (Roth) Kützing

University Herbarium, University of California, Berkeley
Catalog #: UC98291
H. Groves #747 03 June 1885
Spirogyra setiformis (Roth) Kützing
United Kingdom, Essex, Broxbourne near Cheshunt in Essex