High Quality Content by WIKIPEDIA articles! Bolboschoenus maritimus (syn. Schoenoplectus maritimus, Scirpus maritimus) is a species of flowering plant from family Cyperaceae. Common names for this species include sea clubrush, cosmopolitan bulrush, alkali bulrush, saltmarsh bulrush, and bayonet grass. It is found in wetland habitats all over the world.