Description: Thallus to 10 or more cms tall, compressed with pinnate branching

Habitat: Very rare. Usually epilithic in the low littoral and in the sublittoral to 20 m.

Distribution: British Isles: Scilly Isles. Further afield: Pacific coast of North America: British Columbia, California and Japan.

Similar Species: Sphaerococcus coronopifolius Stackhouse.

Distribution Map from NBN: Pikea californica at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Pikea californica at iNaturalist World Species Observations database.

WoRMS: Pikea californica at World Register of Marine Species. Accepted name: Pikea californica Harvey, 1853. AphiaID: 145229.

Classification: Biota; Plantae; Biliphyta; Rhodophyta; Eurhodophytina; Florideophyceae; Rhodymeniophycidae; Gigartinales; Dumontiaceae; Pikea