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

Brown University - Algae
Catalog #: ABRU00005143
W. A. Setchell s.n. 13 December 1898
Gigartina radula f. typica Setchell
United States, California, Marin, Dillon's Beach, Marin Co., CA