Home/Species/ Whitney's Sedge

Carex whitneyi

Olney

Whitney's Sedge

G3Vulnerable Found in 4 roadless areas NatureServe Explorer →

G3VulnerableGlobal Rank

Identity

Unique IDELEMENT_GLOBAL.2.129471

Element CodePMCYP03ER0

Record TypeSPECIES

ClassificationSpecies

Classification StatusStandard

Name CategoryVascular Plant

KingdomPlantae

PhylumAnthophyta

ClassMonocotyledoneae

OrderCyperales

FamilyCyperaceae

GenusCarex

Concept Reference

Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.

Conservation Status

Review Date1999-06-04

Change Date1998-02-01

Edition Date1999-04-23

Edition AuthorsGries, D.

Number of Occurrences21 - 80

Rank Reasons

Carex whitneyi is known from the Sierra Nevada from Tulare County, California, to southern Oregon and western Nevada. Approximately sixty-five populations were located in California, comprising of 12,517 individuals, during a survey conducted in 1980. This sedge is rare in southern Oregon.

Range Extent Comments

Known from the Sierra Nevada from Tulare County, California, to southern Oregon and western Nevada (Stebbins, Smith, and Holeman 1981).

Occurrences Comments

Survey conducted in California from May through August 1980 identified 35 populations in Fresno County, 9 populations in Madera County, 10 populations in Tuolumne County, 8 populations in Alpine County, and 2 populations in Calaveras County (Stebbins, Smith, and Holeman 1981).

Ecology & Habitat

Habitat

Dry to moist, often sandy; flat or moderate slopes; on the edges of meadows, in open to dense forests; often in disturbed soils where the surface litter has been removed; 1158 to 3658 m (Stebbins, Smith, and Holeman 1981).

Other Nations (1)

United StatesN3

Province	Rank	Native
Nevada	S2	Yes
California	SNR	Yes

Plant Characteristics

Economic Value (Genus)No

Roadless Areas (4)

California (3)

Area	Forest	Acres
Black Cinder	Lassen National Forest	239
Heart Lake	Lassen National Forest	9,349
Raymond Peak	Eldorado National Forest	2,518

Oregon (1)

Area	Forest	Acres
North Paulina	Deschutes National Forest	19,670

References (4)

Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Stebbins, J. 1981. Conservation briefs: Sedge no longer endangered. Fremontia 9(3): 28-29.
Stebbins, J.C., J.R. Smith, and J.R. Holeman. 1981. Notes and news; Carex whitneyi Olney (Cyperaceae): Not endangered. Madrono 28(3):190-191.
Zika, P.F. 1994c. Noteworthy collections: Oregon. Madrono 41(4):232.