Species Details

Carex comosa

bristly sedge

Download Report Calflora eFlora CCH CalPhotos

Dean Wm. Taylor 1997

Steve Matson 2003

Classification

Scientific Name: Carex comosa Boott
Common Name: bristly sedge
Family:	Cyperaceae
Element Code:	PMCYP032Y0
USDA Plants Symbol:	CACO8
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	2B.1
Fed List:	None
State List:	None
Global Rank:	G5
State Rank:	S2
Other Status:	IUCN_LC
CRPR Changes: changed from 2.1 to 2B.1 on 2013-06-12
Add Date:	1994-01-01
Date Edited:	2021-07-14

Ecology and Life History

Lifeform: perennial rhizomatous herb

Blooming Period: May-Sep

Elevation:
0 - 625 meters
0 - 2050 feet

General Habitats:

Coastal prairie
Marshes and swamps (lake margins)
Valley and foothill grassland

Microhabitat Details:

Microhabitat:

Notes

Notes: Location, rarity, and endangerment information needed; need historical quads for SFO Co. Fairly widely distributed, but apparently rarely collected. Threatened by marsh drainage and road maintenance. Endangered in ID, endangered in OR, and state-listed as Sensitive in WA.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	8
	Total EOs	% of EOs
EOs with Threat Listed:	14	44 %
Non-native plant impacts	7	21%
Development	4	12%
Agriculture	3	9%
Biocides	1	3%
Foot traffic/trampling	1	3%
Grazing	1	3%
Other	1	3%
Road/trail construction/maint.	1	3%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					32
A	B	C	D	X	U
1	7	11	0	4	9

Occurrence Status:
Historical >20 Years	12
Recent <=20 Years	20

Presence:
Presumed Extant	28
Possibly Extirpated	3
Presumed Extirpated	1

Location

California Endemic:

California Island:

States: Name (Code)
Alabama (AL), Arkansas (AR), California (CA), Connecticut (CT), Delaware (DE), District of Columbia (DC), Florida (FL), Georgia (GA), Idaho (ID), Illinois (IL), Indiana (IN), Iowa (IA), Kentucky (KY)*, Louisiana (LA), Maine (ME), Maryland (MD), Massachusetts (MA), Michigan (MI), Minnesota (MN), Mississippi (MS), Missouri (MO), Montana (MT), Nebraska (NE), New Hampshire (NH), New Jersey (NJ), New York (NY), North Carolina (NC), Ohio (OH), Oregon (OR), Pennsylvania (PA), Rhode Island (RI), South Carolina (SC), South Dakota (SD), Tennessee (TN), Texas (TX), Vermont (VT), Virginia (VA), Washington (WA), West Virginia (WV), Wisconsin (WI)

California Counties and Islands: Name (Code)
Contra Costa (CCA), Fresno (FRE), Lake (LAK), Mendocino (MEN), Sacramento (SAC), San Bernardino (SBD)*, San Francisco (SFO)*, San Joaquin (SJQ), San Mateo (SMT), Santa Cruz (SCR), Shasta (SHA), Sonoma (SON)

Quads: Name (Quad Code)
Big Bend (4112118), Bodega Head (3812331), Bouldin Island (3812115), Bruceville (3812134), Camp Meeker (3812248), Cazadero (3812351), Chalk Mtn. (4012187), Clarksburg (3812145), Courtland (3812135), Cow Mountain (3912321), Davenport (3712212), Duncans Mills (3812341), Fall River Mills (4112114), Felton (3712211), Guerneville (3812258), Holt (3712184), Hopland (3812381), Hunters Point (3712263), Laurel (3712118), Oakland West (3712273), Point Bonita (3712275), Roaring Creek (4012188), San Bernardino South (3411713)?*, San Francisco North (3712274), San Francisco South (3712264), Sanger (3611965), Timbered Crater (4112124), Upper Lake (3912228)

Notes:

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.

Regional Map

Map

Presumed Extant

Click on quad for name. Hold Shift Key to use mouse scroll wheel

CNPS Rare Plant Inventory