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

Brown University - Algae
Catalog #: ABRU00003938
F. S. Collins s.n. 17 May 1904
Characium minutum A.Braun
United States, Massachusetts, Medford, MA

University of Michigan
Catalog #: 683730
F.S. Collins #s.n. 17 August 1904
Characium minutum A.Braun
United States, Massachusetts, Middlesex, Medford

University of Michigan
Catalog #: 683732
F.S. Collins #s.n. 17 August 1904
Characium minutum A.Braun
United States, Massachusetts, Middlesex, Medford

Michigan State University Algae
Catalog #: MSC0181774
F.S. Collins #s.n. 17 August 1904
Characium minutum A.Braun
United States, Massachusetts, Middlesex, Medford

Miami University - Algae
Catalog #: 000188217
F.S. Collins #s.n. 17 August 1904
Characium minutum A.Braun
United States, Massachusetts, Middlesex, Medford

Yale University Herbarium
Catalog #: YU.094177
Frank Shipley Collins s.n. 17 May 1904
Characium minutum A.Braun
United States, Massachusetts, Middlesex, Medford; Medford, MA