Description: Thallus erect, cylindrical and smooth to about 50 cms high. Tough, cartilaginous with a few branches, basically dichotomous but may appear alternate.

Habitat: Mid-littoral rock pools

Distribution: West and south-west Ireland, south-west England and Wales and the Channel Islands. Europe: Portugal, Atlantic coasts of Spain and France. Further afield: Morocco.

Similar Species: Cystoseira is usually more branched.

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

iNaturalist: Bifurcaria bifurcata at iNaturalist World Species Observations database.

WoRMS: Bifurcaria bifurcata at World Register of Marine Species.