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

Brown University - Algae
Catalog #: ABRU00005160
F. S. Collins s.n. 04 June 1899
Laminaria digitata f. ensifolia (Le Jolis) Kjellman
United States, Massachusetts, Nahant; Nahant, MA

University of Michigan
Catalog #: 613821
F.S. Collins #s.n. 04 June 1899
Laminaria digitata (Hudson) J.V.Lamouroux
United States, Massachusetts, Essex, Nahant

University of Michigan
Catalog #: 613829
F.S. Collins #s.n. 04 June 1899
Laminaria digitata (Hudson) J.V.Lamouroux
United States, Massachusetts, Essex, Nahant

Field Museum of Natural History
Catalog #: C0520808F
F.S. Collins #s.n. 04 June 1899
Laminaria digitata f. ensifolia (Le Jolis) Kjellman
United States, Massachusetts, Essex, Nahant

Michigan State University Algae
Catalog #: MSC0183165
F.S. Collins #s.n. 04 June 1899
Laminaria digitata (Hudson) J.V.Lamouroux
United States, Massachusetts, Essex, Nahant

Miami University - Algae
Catalog #: 000210640
F.S. Collins #s.n. 04 June 1899
Laminaria digitata (Hudson) J.V.Lamouroux
United States, Massachusetts, Essex, Nahant