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

Brown University - Algae
Catalog #: ABRU00002940
Mrs. G. A. Hall s.n. 07 October 1896
Ceramium tenuissimum var. arachnoideum (C.Agardh) Foslie
United States, Florida, Key West, FL

Yale University Herbarium
Catalog #: YU.091428
Mrs. G. A. Hall s.n. 07 October 1896
Ceramium tenuissimum var. arachnoideum (C.Agardh) Foslie
United States, Florida, Monroe, Key West; Key West

Field Museum of Natural History
Catalog #: C0515453F
Mrs. G. A. Hall #s.n. 07 October 1896
Ceramium tenuissimum (Roth) Areschoug
United States, Florida, Monroe, Key West

University of Michigan
Catalog #: 645924
Mrs. G.A. Hall #s.n. 07 October 1896
Ceramium tenuissimum var. arachnoideum (C.Agardh) Foslie
United States, Florida, Monroe, Key West

University of Michigan
Catalog #: 645936
Mrs. G.A. Hall #s.n. 07 October 1896
Ceramium tenuissimum var. arachnoideum (C.Agardh) Foslie
United States, Florida, Monroe, Key West

Michigan State University Algae
Catalog #: MSC0181652
Mrs. G.A. Hall #s.n. 07 October 1896
Ceramium tenuissimum var. arachnoideum (C.Agardh) Foslie
United States, Florida, Monroe, Key West

Miami University - Algae
Catalog #: 000186757
Mrs. G.A. Hall #s.n. 07 October 1896
Ceramium tenuissimum var. arachnoideum (C.Agardh) Foslie
United States, Florida, Monroe, Key West