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

Brown University - Algae
Catalog #: ABRU00003656
F. S. Collins s.n. 17 July 1902
Enteromorpha compressa (Linnaeus) Nees
United States, Maine, Cumberland, Harpswell; South Harpswell, ME

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00212665
1c7d0401-e9dc-472c-900a-4c6578e76181
F. S. Collins #s.n. 17 July 1902
Ulva compressa Linnaeus
United States, Maine, Cumberland, South Harpswell

Field Museum of Natural History
Catalog #: C0525825F
F.S. Collins #s.n. 17 July 1902
Enteromorpha compressa f. subsimplex J.Agardh
United States, Maine, Cumberland, Forming soft and slippery dense tufts in rapid water, South Harpswell

University of Michigan
Catalog #: 733453
F.S. Collins #s.n. 17 July 1902
Ulva compressa Linnaeus
United States, Maine, Cumberland, South Harpswell

Michigan State University Algae
Catalog #: MSC0182581
F.S. Collins #s.n. 17 July 1902
Enteromorpha compressa f. subsimplex J.Agardh
United States, Maine, Cumberland, South Harpswell

Miami University - Algae
Catalog #: 000187936
F.S. Collins #s.n. 17 July 1902
Enteromorpha compressa (Linnaeus) Nees
United States, Maine, Cumberland, South Harpswell

Yale University Herbarium
Catalog #: YU.092047
Frank Shipley Collins s.n. 17 July 1902
Enteromorpha compressa (Linnaeus) Nees
United States, Maine, Cumberland, Harpswell; South Harpswell, ME