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

Brown University - Algae
Catalog #: ABRU00003085
F. S. Collins s.n.
Enteromorpha prolifera (O.F.Müller) J.Agardh
United States, Maine, Hancock, Brooksville; Spectacle Island, Penobscot Bay, ME

University of Michigan
Catalog #: 735058
F.S. Collins #s.n. 00 July 1896
Ulva prolifera O.F.Müller
United States, Maine, Hancock, Spectacle Island, Penobscot Bay

University of Michigan
Catalog #: 735062
F.S. Collins #s.n. 00 July 1896
Ulva prolifera O.F.Müller
United States, Maine, Hancock, Spectacle Island, Penobscot Bay

Michigan State University Algae
Catalog #: MSC0185188
F.S. Collins #s.n. 00 July 1896
Ulva prolifera O.F.Müller
United States, Maine, Hancock, Spectacle Island, Penobscot Bay

Miami University - Algae
Catalog #: 000186874
F.S. Collins #s.n. 00 July 1896
Enteromorpha prolifera (O.F.Müller) J.Agardh
United States, Maine, Hancock, Spectacle Island, Penobscot Bay

Yale University Herbarium
Catalog #: YU.091552
Frank Shipley Collins s.n. 00 July 1896
Enteromorpha prolifera (O.F.Müller) J.Agardh
United States, Maine, Hancock, Brooksville; Spectacle Island, Penobscot Bay, ME