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

Brown University - Algae
Catalog #: ABRU00002957
F. S. Collins s.n. 14 May 1894
Spirogyra calospora Cleve
United States, Massachusetts, Middlesex Fells, MA

University of Michigan
Catalog #: 736602
F.S. Collins #s.n. 14 May 1894
Spirogyra calospora Cleve
United States, Massachusetts, Middlesex, Middlesex Fells

University of Michigan
Catalog #: 736605
F.S. Collins #s.n. 14 May 1894
Spirogyra calospora Cleve
United States, Massachusetts, Middlesex, Middlesex Fells

Michigan State University Algae
Catalog #: MSC0184750
F.S. Collins #s.n. 14 May 1894
Spirogyra calospora Cleve
United States, Massachusetts, Middlesex, Middlesex Fells

Miami University - Algae
Catalog #: 000210395
F.S. Collins #s.n. 14 May 1894
Spirogyra calospora Cleve
United States, Massachusetts, Middlesex, Middlesex Fells

Yale University Herbarium
Catalog #: YU.091442
Frank Shipley Collins s.n. 14 May 1894
Spirogyra calospora Cleve
United States, Massachusetts, Middlesex, Medford; Middlesex Fells, MA