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

Miami University - Algae
Catalog #: 000186918
A. Saunders #s.n. 00 September 1898
Sprirogyra majuscula
United States, South Dakota, Brookings, Brookings

Brown University - Algae
Catalog #: ABRU00003132
De A. Saunders s.n.
Spirogyra majuscula Kützing
United States, South Dakota, Brookings, SD

Michigan State University Algae
Catalog #: MSC0184778
De A. Saunders #s.n. 00 September 1898
Spirogyra majuscula Kützing
United States, South Dakota, Brookings, Brookings

Yale University Herbarium
Catalog #: YU.091593
De Alton Saunders s.n. 00 September 1898
Spirogyra majuscula Kützing
United States, South Dakota, Brookings; Brookings, SD

University of Michigan
Catalog #: 736679
De Alton Saunders #s.n. 00 September 1898
Spirogyra majuscula Kützing
United States, South Dakota, Brookings, Brookings

University of Michigan
Catalog #: 736680
De Alton Saunders #s.n. 00 September 1898
Spirogyra majuscula Kützing
United States, South Dakota, Brookings, Brookings

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00147810
2c32f8c0-dfd8-4d16-934f-2ea7783882dd
De Alton Saunders #s.n. 00 September 1898
Spirogyra majuscula K
United States, South Dakota, Brookings, Brookings