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

Field Museum of Natural History
Catalog #: C0530188F
F. S. Collins #s.n. 13 September 1909
Cladophora expansa (Mertens) Kützing
United States, Massachusetts, Barnstable, "Sunken Meadow" Eastham