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

Brown University - Algae
Catalog #: ABRU00004984
F. S. Collins s.n.
Sargassum natans (Linnaeus) Gaillon
Bermuda, Agar's Island, Bermuda

University of Michigan
Catalog #: 629225
F.S. Collins #s.n. 00 November 1915
Sargassum natans (Linnaeus) Gaillon, 1828
Bermuda, Agar's Island

University of Michigan
Catalog #: 629329
F.S. Collins #s.n. 00 November 1915
Sargassum natans (Linnaeus) Gaillon
Bermuda, Agar's Island

Michigan State University Algae
Catalog #: MSC0184569
F.S. Collins #s.n. 00 November 1915
Sargassum natans (Linnaeus) Gaillon
Bermuda, Agar's Island

Miami University - Algae
Catalog #: 000210214
F.S. Collins #s.n. 00 November 1915
Sargassum natans (Linnaeus) Gaillon
Bermuda, Agar's Island

Yale University Herbarium
Catalog #: YU.095450
Frank Shipley Collins s.n.
Sargassum natans (Linnaeus) Gaillon
Bermuda, Agar's Island, Bermuda