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

Brown University - Algae
Catalog #: ABRU00005147
W. A. Setchell s.n. 08 January 1899
Gigartina spinosa Greville
United States, California, Monterey, Pyramid Point, Monterey Co., CA

Miami University - Algae
Catalog #: 000210627
W.A. Setchell #s.n. 08 January 1899
Chondracanthus spinosus (Kützing) Guiry
United States, California, Monterey, Pyramid Point, Pacific Grove