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

Brown University - Algae
Catalog #: ABRU00004597
F. S. Collins s.n. 06 August 1911
Cosmarium reniforme (Ralfs) W.Archer
United States, Massachusetts, West Cambridge, MA

University of Michigan
Catalog #: 736185
F.S. Collins #s.n. 06 August 1911
Cosmarium reniforme (Ralfs) W.Archer
United States, Massachusetts, Middlesex, West Cambridge

University of Michigan
Catalog #: 736188
F.S. Collins #s.n. 06 August 1911
Cosmarium reniforme (Ralfs) W.Archer
United States, Massachusetts, Middlesex, West Cambridge

Michigan State University Algae
Catalog #: MSC0182231
F.S. Collins #s.n. 06 August 1911
Cosmarium reniforme (Ralfs) W.Archer
United States, Massachusetts, Middlesex, West Cambridge

Miami University - Algae
Catalog #: 000189249
F.S. Collins #s.n.
Cosmarium reniforme (Ralfs) W.Archer
United States, Massachusetts, Middlesex, West Cambridge

Yale University Herbarium
Catalog #: YU.095068
Frank Shipley Collins s.n. 06 August 1911
Cosmarium reniforme (Ralfs) W.Archer
United States, Massachusetts, Middlesex, Cambridge; West Cambridge, MA