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

Brown University - Algae
Catalog #: ABRU00004585
F. S. Collins s.n. 23 July 1911
Closterium venus Kützing ex Ralfs
United States, Massachusetts, Shiner Pond, Middlesex Fells, MA

Rutgers University, Chrysler Herbarium - Macroalgae Collection
Catalog #: CHRB0021508
F.S. Collins s.n. 23 July 1911
Closterium venus Kützing ex Ralfs
United States, Massachusetts, Shiner Pond, Middlesex Fells

University of Michigan
Catalog #: 736057
F.S. Collins #s.n. 23 July 1911
Closterium venus Kützing ex Ralfs
United States, Massachusetts, Middlesex, Shiner Pond, Middlesex Fells

University of Michigan
Catalog #: 736058
F.S. Collins #s.n. 23 July 1911
Closterium venus Kützing ex Ralfs
United States, Massachusetts, Middlesex, Shiner Pond, Middlesex Fells

Michigan State University Algae
Catalog #: MSC0182069
F.S. Collins #s.n. 23 July 1911
Closterium venus Kützing ex Ralfs
United States, Massachusetts, Middlesex, Shiner Pond, Middlesex Fells

Miami University - Algae
Catalog #: 000189237
F.S. Collins #s.n. 23 July 1911
Closterium venus Kützing ex Ralfs
United States, Massachusetts, Middlesex, Shiner Pond, Middlesex Fells

Yale University Herbarium
Catalog #: YU.095056
Frank Shipley Collins s.n. 23 July 1911
Closterium venus Kützing ex Ralfs
United States, Massachusetts, Shiner Pond, Middlesex Fells, MA