Collins, Holden & Setchell, Phycoth. Bor.-Amer.
Collins, F.S.; Holden, I.; Setchell, W.A. [1-2300]

Brown University - Algae
Catalog #: ABRU00004492
E. N. Transeau s.n. 17 November 1910
Spirogyra setiformis (Roth) Kützing
United States, Illinois, Charleston, IL

University of Michigan
Catalog #: 736734
E.N. Transeau #s.n. 17 November 1910
Spirogyra setiformis (Roth) Kützing
United States, Illinois, Coles, Charleston

University of Michigan
Catalog #: 736735
E.N. Transeau #s.n. 17 November 1910
Spirogyra setiformis (Roth) Kützing
United States, Illinois, Coles, Charleston

Michigan State University Algae
Catalog #: MSC0184808
E.N. Transeau #s.n. 17 November 1910
Spirogyra setiformis (Roth) Kützing
United States, Illinois, Coles, Charleston

Miami University - Algae
Catalog #: 000210573
E.N. Transeau #s.n.
Spirogyra setiformis (Roth) Kützing
United States, Illinois, Coles, Charleston

Yale University Herbarium
Catalog #: YU.094963
Edgar Nelson Transeau s.n. 17 November 1910
Spirogyra setiformis (Roth) Kützing
United States, Illinois, Charleston; Charleston, IL