Home/Species/ Congdon's Sedge

Carex congdonii

Bailey

Congdon's Sedge

G4Apparently Secure Found in 9 roadless areas NatureServe Explorer →

G4Apparently SecureGlobal Rank

LowThreat Impact

Identity

Unique IDELEMENT_GLOBAL.2.142160

Element CodePMCYP03320

Record TypeSPECIES

ClassificationSpecies

Classification StatusStandard

Name CategoryVascular Plant

Endemicendemic to a single state or province

KingdomPlantae

PhylumAnthophyta

ClassMonocotyledoneae

OrderCyperales

FamilyCyperaceae

GenusCarex

Other Common Names

Congdon's sedge (EN)

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

Rank MethodLegacy Rank calculation - Excel v3.1x

Review Date2014-10-06

Change Date2014-10-06

Edition Date2014-10-06

Edition AuthorsRusso, M. (TNC WRO), rev. D. Gries (1998), rev. R. Bittman (2014)

Threat ImpactLow

Range Extent5000-20,000 square km (about 2000-8000 square miles)

Number of Occurrences81 - 300

Rank Reasons

Endemic to California, Carex congdonii is known from the central and southern high Sierra Nevada in Fresno, Inyo, Madera, Mono, Mariposa, Tulare, and Tuolumne counties. Threats are considered low.

Range Extent Comments

California state endemic from the central and southern high Sierra Nevada, in Fresno, Inyo, Madera, Mono, Mariposa, Tulare, and Tuolumne counties.

Occurrences Comments

There are 27 unprocessed sources in CNDDB (2014), and 220 Consortium of California Herbaria records (2014).

Ecology & Habitat

Habitat

Alpine boulder and rock field, subalpine coniferous forest (rocky).

Other Nations (1)

United StatesN4

Province	Rank	Native
California	S4	Yes

Plant Characteristics

Economic Value (Genus)No

Roadless Areas (9)

California (9)

Area	Forest	Acres
Coyote Southeast	Inyo National Forest	53,159
Hall Natural Area	Inyo National Forest	5,236
Horse Mdw.	Inyo National Forest	5,687
Log Cabin Saddlebag	Inyo National Forest	15,165
North Lake	Inyo National Forest	2,406
Robinson Peak	Humboldt-Toiyabe National Forest	5,835
Table Mtn.	Inyo National Forest	4,215
Tioga Lake	Inyo National Forest	829
Wonoga Pk.	Inyo National Forest	11,272

References (4)

California Natural Diversity Database (CNDDB). 2014. RareFind Version 5. California Department of Fish and Game, Sacramento.
Flora of North America Editorial Committee (FNA). 2002b. Flora of North America north of Mexico. Vol. 23. Magnoliophyta: Commelinidae (in part): Cyperaceae. Oxford Univ. Press, New York. xxiv + 608 pp.
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.
Skinner, M.W., and B.M. Pavlik, eds. 1997 (1994). Inventory of rare and endangered vascular plants of California. 1997 Electronic Inventory Update of 1994 5th edition, California Native Plant Society, Special Publication No. 1, Sacramento.