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

Brown University - Algae
Catalog #: ABRU00002641
F. S. Collins s.n. 18 July 1893
Ceramium hooperi Harvey
United States, Maine, Hancock, Bucks Island, Penobscot Bay, ME

University of Michigan
Catalog #: 646098
F.S. Collins #s.n. 18 July 1893
Ceramium hooperi Harvey
United States, Maine, Buck's Island, Penobscot Bay

University of Michigan
Catalog #: 646099
F.S. Collins #s.n. 18 July 1893
Ceramium hooperi Harvey
United States, Maine, Buck's Island, Penobscot Bay

Field Museum of Natural History
Catalog #: C0515241F
F.S. Collins #s.n. 18 July 1893
Ceramium hooperi Harvey
United States, Maine, Hancock, Buck's Island, Penobscot Bay

Michigan State University Algae
Catalog #: MSC0181625
F.S. Collins #s.n. 18 July 1893
Ceramium hooperi Harvey
United States, Maine, Hancock, Buck's Island, Penobscot Bay

Miami University - Algae
Catalog #: 000186547
F.S. Collins #s.n. 18 July 1893
Ceramium hooperi Harvey
United States, Maine, Buck's Island, Penobscot Bay

Yale University Herbarium
Catalog #: YU.091178
Frank Shipley Collins s.n. 18 July 1893
Ceramium hooperi Harvey
United States, Maine, Hancock, Bucks Island, Penobscot Bay, ME