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

University of Michigan
Catalog #: 638472
Mary S. Snyder #s.n. 00 August 1901
Ralfsia verrucosa (Areschoug) ??Areschoug
United States, California, San Diego, Pacific Beach

Field Museum of Natural History
Catalog #: C0519873F
Mary S. Snyder #s.n. 00 August 1901
Ralfsia verrucosa (Areschoug) ??Areschoug
United States, California, San Diego, Pacific Beach, San Diego, California

University of Michigan
Catalog #: 737908
Mary S. Snyder #s.n. 00 August 1901
Ralfsia verrucosa (Areschoug) ??Areschoug
United States, California, San Diego, Pacific Beach

Brown University - Algae
Catalog #: ABRU00005192
Mrs. E. Snyder s.n.
Ralfsia verrucosa (Areschoug) ??Areschoug
United States, California, Pacific Beach, CA

Michigan State University Algae
Catalog #: MSC0184420
Mrs. E. Snyder #s.n. 00 August 1901
Ralfsia verrucosa (Areschoug) ??Areschoug
United States, California, San Diego, Pacific Beach

Miami University - Algae
Catalog #: 000210673
Mrs. E. Snyder #s.n. 00 August 1901
Ralfsia verrucosa (Areschoug) ??Areschoug
United States, California, San Diego, Pacific Beach