Species Details

Schoenoplectus subterminalis

water bulrush

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Photo of Schoenoplectus subterminalis
Dean Wm. Taylor (1996)
Photo of Schoenoplectus subterminalis
Sierra Pacific Industries (2013)
Photo of Schoenoplectus subterminalis
Dean Wm. Taylor (2007)
Scientific Name:
Schoenoplectus subterminalis (Torr.) Soják
Common Name:
water bulrush
Family: Cyperaceae
Element Code: PMCYP0Q1G0
USDA Plants Symbol: SCSU10
Synonyms/Other Names:
CA Rare Plant Rank: 2B.3
Fed List: None
State List: None
Global Rank: G5
State Rank:
Other Status: IUCN_LC
CRPR Changes:
changed from 2.3 to 2B.3 on 2013-06-12
Add Date: 1980-01-01
Date Edited: 2022-08-02
Lifeform: perennial rhizomatous herb (aquatic)
Blooming Period: Jun-Aug(Sep)
750 - 2250 meters
2460 - 7380 feet
General Habitat:
  • Bogs and fens
  • Marshes and swamps (montane lake margins)
General Micro Habitat:
Micro Habitat:
Sensitive in ID, and endangered in OR. See Leaflets of Western Botany 10:16 (1966) for first CA record.
Total Occurrences: 32
Element Occurrence Ranks:
10 8 0 0 0 14
Occurrence Status:
Historical >20 Years 8
Recent <=20 Years 24
Presumed Extant 32
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Alaska (AK), California (CA), Connecticut (CT), Delaware (DE), Florida (FL), Georgia (GA), Idaho (ID), Illinois (IL), Indiana (IN), Maine (ME), Maryland (MD), Massachusetts (MA), Michigan (MI), Minnesota (MN), Missouri (MO), Montana (MT), New Hampshire (NH), New Jersey (NJ), New York (NY), North Carolina (NC), Ohio (OH), Oregon (OR), Pennsylvania (PA), Rhode Island (RI), South Carolina (SC), Tennessee (TN), Utah (UT), Vermont (VT), Virginia (VA), Washington (WA), Wisconsin (WI), Wyoming (WY)
California Counties and Islands: Name (Code)
Butte (BUT), Del Norte (DNT), El Dorado (ELD), Humboldt (HUM), Lassen (LAS), Nevada (NEV), Plumas (PLU), Shasta (SHA), Siskiyou (SIS), Tehama (TEH), Trinity (TRI), Tuolumne (TUO)
Quads: Name (Quad Code)
Blue Canyon (3912036), Broken Rib Mtn. (4112386), Chicken Hawk Hill (4112214), Childs Meadows (4012134), Cisco Grove (3912035), Covington Mill (4012287), Dogwood Peak (3912171), Echo Lake (3812071), Figurehead Mtn. (4112383), Fish Lake (4112336), Freel Peak (3811978), Gold Lake (3912066), Jonesville (4012114), Kibbie Lake (3811917), Lake Eleanor (3711987), Mt. Harkness (4012143), Mumbo Basin (4112225), Pinecrest (3811928), Reading Peak (4012144), Red Cinder (4012142), Tangle Blue Lake (4112226), Trinity Center (4012286), Weitchpec (4112326), Whisky Bill Peak (4112215)
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.


Presumed Extant
Counties   Quads