California Biota Home Page....Protoctista....Phaeophyta

Macrocystis integrifolia Bory 

Bed of Macrocystis integrifolia at low tide, Pillar Point, Half Moon Bay. 

Close up of the Macrocystis integrifolia air bladders and tip of the seaweed on the right, which is diagnostic for the species.

Extreme close up of Macrocystis sp. air bladder.

Pressed tip of Macrocystis integrifolia.