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

Brown University - Algae
Catalog #: ABRU00002730
F. S. Collins s.n.
Enteromorpha torta (Mertens) Reinbold
United States, Maine, Hancock, Eagle Island, Penobscot Bay, ME

Field Museum of Natural History
Catalog #: C0526380F
F. S. Collins #s.n. 00 July 1893
Enteromorpha torta (Mertens) Reinbold
United States, Maine, Cumberland, Eagle Island, Penobscot Bay

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00213705
d9e232d2-9e5e-4ab3-9c29-647f4d242fd8
F. S. Collins #s.n. 00 July 1893
Ulva torta (Mertens) Trevisan
United States, Maine, Eagle Island, Penobscot Bay

University of Michigan
Catalog #: 735030
F.S. Collins #s.n. 00 July 1893
Ulva prolifera O.F.Müller
United States, Maine, Hancock, Eagle Island, Penobscot Bay

University of Michigan
Catalog #: 735048
F.S. Collins #s.n. 00 July 1893
Ulva prolifera O.F.Müller
United States, Maine, Hancock, Eagle Island, Penobscot Bay

Michigan State University Algae
Catalog #: MSC0185198
F.S. Collins #s.n. 00 July 1893
Ulva torta (Mertens) Trevisan
United States, Maine, Hancock, Eagle Island, Penobscot Bay

Miami University - Algae
Catalog #: 000186627
F.S. Collins #s.n. 00 July 1893
Enteromorpha torta (Mertens) Reinbold
United States, Maine, Cumberland, Eagle Island, Penobscot Bay

Yale University Herbarium
Catalog #: YU.091303
Frank Shipley Collins s.n. 00 July 1893
Enteromorpha torta (Mertens) Reinbold
United States, Maine, Hancock, Eagle Island, Penobscot Bay, ME