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

Field Museum of Natural History
Catalog #: C0519854F
F.S. Collins #s.n. 17 July 1897
Ralfsia verrucosa (Areschoug) ??Areschoug
United States, Maine, Hancock, Cape Rosier