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

Field Museum of Natural History
Catalog #: C0530193F
F. S. Collins #s.n. 19 April 1907
Cladophora pulverulenta (Mertens) Phinney
United States, Massachusetts, Barnstable, "Sunken Meadow" Eastham

Brown University
Catalog #: ABRU00005120
F. S. Collins #s.n. 19 April 1907
Cladophora expansa (Mertens) Kützing
United States, Massachusetts, Barnstable, Sunken Meadow, Eastham, MA

University of Michigan
Catalog #: 684617
F.S. Collins #s.n. 19 April 1907
Cladophora vagabunda (Linnaeus) Hoek
United States, Massachusetts, Barnstable, "Sunken Meadow," Eastham, Massachusetts

University of Michigan
Catalog #: 684638
F.S. Collins #s.n. 19 April 1907
Cladophora vagabunda (Linnaeus) Hoek
United States, Massachusetts, Barnstable, "Sunken Meadow," Eastham, Massachusetts

Michigan State University
Catalog #: MSC0181931
F.S. Collins #s.n. 19 April 1907
Cladophora vagabunda (Linnaeus) Hoek
United States, Massachusetts, Barnstable, "Sunken Meadow," Eastham, Massachusetts

Yale University Herbarium
Catalog #: YU.094693
Frank Shipley Collins s.n. 19 April 1907
Cladophora expansa (Mertens) Kützing
United States of America, Massachusetts, Barnstable, Eastham; Sunken Meadow, Eastham, MA