Schoenoplectus acutus v. acutus Hardstem Bulrush Bold, strongly rhizomatous bulrush, with dark green culms reaching 6′ + in standing water. Containerize for ornamental ponds. Widespread native and also used for wastewater filtration. Synonyms: Scirpus acutus Plant Type: Graminoid Provenance(s): 02-Puget Lowland Wetland Status: OBL Distribution Map courtesy of USDA NRCS Plants Database