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

Field Museum of Natural History
Catalog #: C0530125F
N. L. Gardner #s.n. 00 May 1916
Cladophora hemisphaerica N.L.Gardner
United States, California, Monterey, Pebble Beach