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

Brown University - Algae
Catalog #: ABRU00003291
Mrs. G. A. Hall s.n. 08 December 1896
Ceramium gracillimum (Kützing) Zanardini
United States, Florida, Tortugas, FL

Yale University Herbarium
Catalog #: YU.091727
Mrs. G. A. Hall s.n. 08 December 1896
Ceramium gracillimum (Kützing) Zanardini
United States, Florida, Tortugas, FL

Field Museum of Natural History
Catalog #: C0515240F
Mrs. G. A. Hall #s.n. 08 December 1896
Ceramium gracillimum (Kützing) Zanardini
United States, Florida, Monroe, Tortugas

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00215872
5b78a71b-1c25-468d-8a83-0807633d882d
Mrs. G. A. Hall #s.n. 08 December 1896
Ceramium gracillimum (K
United States, Florida, Tortugas, FL

University of Michigan
Catalog #: 646090
Mrs. G.A. Hall #s.n. 08 December 1896
Ceramium gracillimum (Kützing) Zanardini
United States, Florida, Monroe, Tortugas

University of Michigan
Catalog #: 646717
Mrs. G.A. Hall #s.n. 08 December 1896
Ceramium sinicola Setchell & Gardner
United States, Florida, Monroe, Tortugas

Michigan State University Algae
Catalog #: MSC0181624
Mrs. G.A. Hall #s.n. 08 December 1896
Ceramium gracillimum (Kützing) Zanardini
United States, Florida, Monroe, Dry Tortugas

Miami University - Algae
Catalog #: 000187188
Mrs. G.A. Hall #s.n. 08 December 1896
Ceramium gracillimum (Kützing) Zanardini
United States, Florida, Monroe, Tortugas