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

Brown University - Algae
Catalog #: ABRU00005199
F. S. Collins s.n.
Lithothamnion circumscriptum Strömfelt
United States, Maine, Hancock, Brooksville; Spectacle Island, Penobscot Bay, ME

Field Museum of Natural History
Catalog #: C0516546F
F. S. Collins #s.n. 00 July 1899
Lithothamnion circumscriptum Strömfelt
United States, Maine, Hancock, Spectacle Island, Penobscot Bay

University of Michigan
Catalog #: 675463
F.S. Collins #s.n. 00 July 1899
Clathromorphum circumscriptum (Strömfelt) Foslie
United States, Maine, Hancock, Spectacle Island, Penobscot Bay

Michigan State University Algae
Catalog #: MSC0182031
F.S. Collins #s.n. 00 July 1899
Clathromorphum circumscriptum (Strömfelt) Foslie
United States, Maine, Hancock, Spectacle Island, Penobscot Bay

University of Michigan
Catalog #: 737893
F.S. Collins #s.n. 00 July 1899
Lithothamnion circumscriptum Strömfelt
United States, Maine, Hancock, Spectacle Island, Penobscot Bay

Miami University - Algae
Catalog #: 000210680
F.S. Collins #s.n. 00 July 1899
Clathromorphum circumscriptum (Strömfelt) Foslie
United States, Maine, Hancock, Spectacle Island, Penobscot Bay

University of Michigan
Catalog #: 737888
Mary S. Snyder #s.n. 00 August 1901
Goniolithon brassica-florida (Harvey) Foslie
United States, California, San Diego, Pacific Beach

Brown University - Algae
Catalog #: ABRU00005207
Mrs. E. Snyder s.n.
Goniolithon brassica-florida (Harvey) Foslie
United States, California, Pacific Beach, CA