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

Brown University - Algae
Catalog #: ABRU00003133
F. S. Collins s.n. 04 June 1892
Spirogyra maxima (Hassall) Wittrock
United States, Massachusetts, Glenwood, Medford, MA

University of Michigan
Catalog #: 736683
F.S. Collins #s.n. 04 June 1892
Spirogyra maxima (Hassall) Wittrock
United States, Massachusetts, Middlesex, Glenwood, Medford

University of Michigan
Catalog #: 736685
F.S. Collins #s.n. 04 June 1892
Spirogyra maxima (Hassall) Wittrock
United States, Massachusetts, Middlesex, Glenwood, Medford

Michigan State University Algae
Catalog #: MSC0184784
F.S. Collins #s.n. 04 June 1892
Spirogyra maxima (Hassall) Wittrock
United States, Massachusetts, Middlesex, Glenwood, Medford

Miami University - Algae
Catalog #: 000186919
F.S. Collins #s.n. 04 June 1892
Sprirogyra maxima
United States, Massachusetts, Middlesex, Glenwood, Medford

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00147811
8344da83-0fd5-4c2b-8118-d833c31ebca7
F.S. Collins #s.n. 04 June 1892
Spirogyra maxima (Hassall) Wittrock
United States, Massachusetts, Middlesex, Glenwood, Medford

Yale University Herbarium
Catalog #: YU.091594
Frank Shipley Collins s.n. 04 June 1892
Spirogyra maxima (Hassall) Wittrock
United States, Massachusetts, Middlesex, Medford; Glenwood, Medford, MA