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

Brown University - Algae
Catalog #: ABRU00002908
F. S. Collins s.n.
Sphacelaria radicans (Dillwyn) C.Agardh
United States, Maine, Hancock, Eagle Island, Penobscot Bay, ME

Field Museum of Natural History
Catalog #: C0517493F
F. S. Collins #s.n. 00 July 1896
Sphacelaria radicans (Dillwyn) C.Agardh
United States, Maine, Cumberland, Eagle Island, Penobscot Bay

University of Michigan
Catalog #: 638130
F.S. Collins #s.n. 00 July 1896
Protohalopteris radicans (Dillwyn) Draisma, Prud'homme & H.Kawai
United States, Maine, Hancock, Eagle Island, Penobscot Bay

University of Michigan
Catalog #: 639208
F.S. Collins #s.n. 00 July 1896
Protohalopteris radicans (Dillwyn) Draisma, Prud'homme & H.Kawai
United States, Maine, Hancock, Eagle Island, Penobscot Bay

Michigan State University Algae
Catalog #: MSC0184200
F.S. Collins #s.n. 00 July 1896
Protohalopteris radicans (Dillwyn) Draisma, Prud'homme & H.Kawai
United States, Maine, Cumberland, Eagle Island, Penobscot Bay

Miami University - Algae
Catalog #: 000186729
F.S. Collins #s.n. 00 July 1896
Sphacelaria radicans (Dillwyn) C.Agardh
United States, Maine, Penobscot, Eagle Island, Penobscot Bay

Yale University Herbarium
Catalog #: YU.091404
Frank Shipley Collins s.n. 00 July 1896
Sphacelaria radicans (Dillwyn) C.Agardh
United States, Maine, Hancock, Eagle Island, Penobscot Bay, ME