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

Brown University - Algae
Catalog #: ABRU00003596
N. L. Gardner s.n. 05 July 1899
Enteromorpha prolifera (O.F.Müller) J.Agardh
United States, Washington, Coupeville, WA

Field Museum of Natural History
Catalog #: C0526368F
N. L. Gardner #s.n. 05 July 1899
Enteromorpha prolifera (O.F.Müller) J.Agardh
United States, Washington, Island, Coupeville

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00213623
2cb89298-2a1e-47a9-a349-31826a76f456
N. L. Gardner #s.n. 05 July 1899
Ulva prolifera O.F.M
United States, Washington, Island, Coupeville

University of Michigan
Catalog #: 735013
N.L. Gardner #s.n. 05 July 1899
Ulva prolifera O.F.Müller
United States, Washington, Island, Coupeville

University of Michigan
Catalog #: 735016
N.L. Gardner #s.n. 05 July 1899
Ulva prolifera O.F.Müller
United States, Washington, Island, Coupeville

Michigan State University Algae
Catalog #: MSC0185195
N.L. Gardner #s.n. 05 July 1899
Ulva prolifera O.F.Müller
United States, Washington, Island, Coupeville

Miami University - Algae
Catalog #: 000187575
N.L. Gardner #s.n. 05 July 1899
Enteromorpha prolifera (O.F.Müller) J.Agardh
United States, Washington, Island, Coupeville

Yale University Herbarium
Catalog #: YU.091996
Nathaniel Lyon Gardner s.n. 05 July 1899
Enteromorpha prolifera (O.F.Müller) J.Agardh
United States, Washington, Coupeville; Coupeville, WA