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

Brown University - Algae
Catalog #: ABRU00005144
W. A. Setchell s.n. 08 January 1899
Gigartina radula f. exasperata (Bailey & Harvey) Setchell
United States, California, Monterey, Pyramid Point, Monterey Co., CA

University of Michigan
Catalog #: 647727
W.A. Setchell #s.n. 08 January 1899
Chondracanthus corymbiferus (Kützing) Guiry
United States, California, Monterey, Pyramid Point, Pacific Grove

University of Michigan
Catalog #: 647760
W.A. Setchell #s.n. 08 January 1899
Chondracanthus exasperatus (Harvey & Bailey) Hughey
United States, California, Monterey, Pyramid Point, Pacific Grove

Michigan State University Algae
Catalog #: MSC0181806
W.A. Setchell #s.n. 01 August 1899
Chondracanthus exasperatus (Harvey & Bailey) Hughey
United States, California, Monterey, Pyramid Point

Miami University - Algae
Catalog #: 000210625
W.A. Setchell #s.n. 01 August 1899
Chondracanthus exasperatus (Harvey & Bailey) Hughey
United States, California, Monterey, Pyramid Point

Field Museum of Natural History
Catalog #: C0501465F
W.A.Setchell #s.n. 08 January 1899
Gigartina radula (Esper) J.Agardh
United States, California, Monterey, Abundant and in may cases of large size, on stones, just below extreme low water mark, Pyramid Point