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

Michigan State University Algae
Catalog #: MSC0184577
C.E. Pease #s.n. 00 July 1900
Sargassum platycarpum Montagne
Jamaica, [No precise loc]

Miami University - Algae
Catalog #: 000187409
C.E. Pease #s.n. 00 July 1900
Sargassum Platycarpum Montagne
Jamaica, [No precise loc]

Yale University Herbarium
Catalog #: YU.091858
Cora E. Pease s.n.
Sargassum platycarpum Montagne
Jamaica, Jamaica

University of Michigan
Catalog #: 629374
Cora E. Pease #s.n. 00 July 1900
Sargassum platycarpum Montagne
Jamaica, [No precise loc]

University of Michigan
Catalog #: 629375
Cora E. Pease #s.n. 00 July 1900
Sargassum platycarpum Montagne
Jamaica, [No precise loc]

Brown University - Algae
Catalog #: ABRU00003437
Mrs. C. E. Pease s.n.
Sargassum Platycarpum Montagne
Jamaica, Jamaica

Field Museum of Natural History
Catalog #: C0522437F
Mrs. C. E. Pease #s.n. 00 July 1900
Sargassum platycarpum Montagne
Jamaica, [precise locality unknown]

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00231124
9b7b2a49-362c-40bb-b87d-80ea194637aa
Mrs. C. E. Pease; Ms. E. Butler #s.n. 00 July 1900
Sargassum platycarpum Montagne
Jamaica