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

Brown University - Algae
Catalog #: ABRU00003122
F. S. Collins s.n. 10 August 1898
Schizothrix friesii Gomont ex Gomont
United States, Massachusetts, Middlesex Fells, MA

Rutgers University, Chrysler Herbarium - Macroalgae Collection
Catalog #: CHRB0021462
F.S. Collins s.n. 10 August 1808
Symplocastrum friesii (Gomont ex Gomont) Kirchner
United States, Massachusetts, Middlesex Fells

Michigan State University Algae
Catalog #: MSC0184973
F.S. Collins #s.n. 09 July 1897
Symplocastrum friesii (Gomont ex Gomont) Kirchner
United States, Massachusetts, Middlesex, Middlesex Fells

Miami University - Algae
Catalog #: 000186910
F.S. Collins #s.n. 09 July 1897
Schizothrix friesii var. aequinocitialis
United States, Massachusetts, Middlesex, Middlesex Fells

Yale University Herbarium
Catalog #: YU.091585
Frank Shipley Collins s.n. 10 August 1898
Schizothrix friesii Gomont ex Gomont
United States, Massachusetts, Middlesex, Medford; Middlesex Fells, MA