Red alga
- kingdom: Plantae
- phylum: Rhodophyta
- class: Florideophyceae
- order: Gigartinales
- family: Dumontiaceae
- genus: Dilsea
- species: Dilsea californica
Prince Rupert
Sooke
Tofino
British Columbia
CanadaCarpinteria
La Jolla
Pacific Grove
Santa Barbara
California
United States