Carex
sedge
142 species
23 subspecies and varieties
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Scientific name
Common name
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Carex abruptaabrupt-beaked sedge
Origin: Native
Carex agastachys
Origin: Introduced
Carex albonigrablack-and-white-scaled sedge
Distribution: Occurring in the Cascade and Olympic mountains of Washington; Alaska south to California, east to the Rocky Mountains.
Habitat: Alpine areas, high elevation talus and scree.
Origin: Native
Flowers: July-August
Carex amplifoliabig-leaf sedge
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Idaho and Montana, also in New Mexico.
Habitat: Swamps, bogs and other wet places, lowlands to moderate elevations in the mountains
Origin: Native
Flowers: May-July
Carex angustatamany-fruit sedge, wide-fruited sedge
Distribution: Chiefly east of the Cascades crest in Washington; Washington south to California, east to Idaho.
Habitat: Wet meadows in riparian zones from low to moderate elevations.
Origin: Native
Flowers: July-August
Carex anthoxantheagrassy-slope arctic sedge, yellow-flowered sedge
Distribution: Known from along the coast in Washington; Alaska south to Washington.
Habitat: Bogs and wet meadows from low to moderate elevations.
Origin: Native
Flowers: June-August
Carex apertaColumbia sedge
Origin: Native
Flowers: April - August
Carex aquatilis
Distribution: Circumboreal at high latitudes; east of the Cascades in Washington and Oregon
Habitat: Standing water or saturated soil, foothills to near timberline in the mountains
Origin: Native
Flowers: June - August
var. aquatilis – water sedge
var. dives – Sitka sedge
Carex arctanorthern clustered sedge
Origin: Native
Flowers: June - August
Carex atherodesawned sedge, wheat sedge
Origin: Native
Flowers: June - August
Carex athrostachyaslender-beak sedge
Origin: Native
Flowers: May - August
Carex atrosquamablack-scale sedge
Origin: Native
Flowers: July - August
Carex aureagolden sedge, pumpkin sedge
Distribution: Across Canada, south to California and Pennsylvania
Habitat: Moist or wet places from the lowlands to near timberline in the mountains
Origin: Native
Flowers: April - August
Carex backiiBack's sedge
Origin: Native
Carex bebbiiBebb's sedge
Origin: Native
Flowers: May - August
Carex bolanderiBolander's sedge
Origin: Native
Carex breviorPlains oval sedge, short-beaked sedge
Origin: Native
Flowers: May - July
Carex breweriBrewer's sedge
Distribution: In the Olympic and Cascade Mountains of Washington; Washington south to California, east to Nevada.
Habitat: Open slopes, ridges, and rocky areas of the subalpine and alpine.
Origin: Native
Flowers: July-August
Carex brunnescensbrown sedge
Distribution: Circumboreal at high latitudes, south through the Cascades to the Siskiyou Mountains of Oregon
Habitat: Wet places in the mountains
Origin: Native
Flowers: May - August
ssp. brunnescens – brownish sedge
Carex buchananiisilver-spiked sedge
Origin: Introduced
Carex buxbaumiibrown bog sedge, Buxbaum's sedge
Origin: Native
Flowers: June - August
Carex californicaCalifornia sedge
Origin: Native
Flowers: May - August
Carex canescenssilvery sedge
Origin: Native
Flowers: June - August
ssp. canescens – grey sedge, silvery sedge
Carex capillarishair sedge
Origin: Native
Flowers: June - August
Carex capitatacapitate sedge
Distribution: Occurring in northwestern and north-central Washington near the Canadian border; Alaska south to California and Nevada (but not in Oregon), east to the Rocky Mountains in the U.S. and east across Canada to the Atlantic Coast; circumboreal.
Habitat: Alpine slopes.
Origin: Native
Flowers: July-August
Carex chordorrhizacordroot sedge, creeping sedge, rope-root sedge
Origin: Native
Carex circinatacoiled sedge
Origin: Native
Flowers: June - August
Carex comosabearded sedge, bristly sedge
Distribution: Widespread in eastern United States, occasional in Washington, Idaho and Montana
Habitat: Marshes and wet meadows from the lowlands to moderate elevations in the mountains
Origin: Native
Flowers: May - July
Carex concinnoidesnorthwestern sedge, tetrastigmatic sedge
Origin: Native
Flowers: April - July
Carex cordilleranacordilleran sedge
Origin: Native
Carex craweiCrawe's sedge
Origin: Native
Flowers: May - July
Carex crawfordiiCrawford's sedge
Origin: Native
Flowers: June - August
Carex cusickiiCusick's sedge
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia south to California, east to Idaho, Montana, and Wyoming.
Habitat: Wetlands, lake and pond edges, and other wet areas.
Origin: Native
Flowers: May-August
Carex davyiConstance's sedge, Davy's sedge
Origin: Native
Carex deflexamountain mat sedge
Origin: Native
var. boottii – northern sedge
Carex densadense sedge
Origin: Native
Flowers: April - June
Carex deweyanadewey's sedge
Origin: Native
Flowers: May - July
var. deweyana – Dewey's sedge
Carex diandralesser panicled sedge, lesser tussock sedge
Origin: Native
Flowers: June - July
Carex dispermashort-leaf sedge
Origin: Native
Flowers: June - August
Carex divulsaLeers's sedge
Origin: Introduced
Carex douglasiiDouglas' sedge
Distribution: Chiefly east of the Cascades in Washington; British Columbia south to California, east to central North America.
Habitat: Dry to wet soils in sagebrush grasslands, riparian zones, and forest margins.
Origin: Native
Flowers: April-June
Carex eburneabristle-leaved sedge
Origin: Native
Carex echinata
Distribution: Circumboreal, south to North Carolina and, in the mountains, to California
Habitat: Swamps, bogs and other wet places, lowlands to moderate elevations in the mountains
Origin: Native
ssp. echinata – star sedge
ssp. phyllomanica – coastal star sedge
Carex engelmanniiMt. Adams sedge
Origin: Native
Flowers: July - August
Carex exsiccatabig inflated sedge
Origin: Native
Flowers: June - August
Carex fetagreen-sheath sedge
Distribution: West of the Cascades, British Columbia to California
Habitat: Marshes and wet meadows from the lowlands to moderate elevations in the mountains
Origin: Native
Flowers: May - July
Carex filifoliathread-leaved sedge
Origin: Native
Flowers: April - July
var. filifolia – thread-leaf sedge
Carex flavayellow sedge, yellow-green sedge
Origin: Native
Flowers: June - August
Carex fractafragile-sheath sedge
Origin: Native
Flowers: June - August
Carex geyerielk sedge, Geyer's sedge
Distribution: East of the Cascades, British Columbia to California, east to Colorado
Habitat: Open woodlands and dry meadows, foothills to moderate elevations in the mountains
Origin: Native
Flowers: April - July
Carex gynocratesnorthern bog sedge
Origin: Native
Flowers: June - August
Carex hallianaHall's sedge
Origin: Native
Flowers: June - August
Carex hasseifalse golden sedge
Origin: Native
Carex haydenianacloud sedge, Hayden's sedge
Origin: Native
Flowers: June - August
Carex hendersoniiHenderson's sedge
Distribution: West of the Cascades, British Columbia to California
Habitat: Boggy areas and wet woods, low to mid-elevations in the mountains
Origin: Native
Flowers: May - June
Carex heteroneuradifferent-veined sedge, smooth-fruited sedge
Distribution: Occurring along the Canadian border in Washington; British Columbia south to California, east to Sasketchewan and Rocky Mountains.
Habitat: Moist to wet sites in the subalpine and alpine zones.
Origin: Native
Flowers: July-August
Carex hoodiiHood's sedge
Origin: Native
Flowers: May - June
Carex hystericinaporcupine sedge
Origin: Native
Flowers: May - June
Carex illotasmall-head sedge
Origin: Native
Flowers: June - August
Carex infirminerviaweak-veined sedge
Origin: Native
Carex inopslong-stolon sedge
Distribution: Occurring on both sides of the Cascades in Washington; British Columbia to California, south in Rocky Mountains from Alberta to New Mexico, east to the Great Plains and Great Lakes region.
Habitat: Forest openings, open slopes, and near streams in the mountains.
Origin: Native
Flowers: April-July
ssp. inops – long-stolon sedge
Carex integrasmooth-beaked sedge
Origin: Native
Carex interiorinland sedge
Origin: Native
Flowers: May - July
Carex interruptagreen-fruited sedge, interrupted sedge
Distribution: Along the Columbia River from Douglas County through Klickitat County, south in Oregon west of the Cascades
Habitat: Rocky banks and streambeds, and other low, wet places
Origin: Native
Flowers: April - May
Carex jonesiiJones' sedge
Origin: Native
Flowers: June - August
Carex kelloggii
Distribution: Across Canada, south to California (in the mountains) and Massachusetts
Habitat: Wet meadows and streambanks, sea level to near timberline
Origin: Native
Flowers: May - August
var. impressa – few-ribbed sedge
var. kelloggii – Kellogg's sedge, lakeshore sedge
var. limnophila – lakeshore sedge
Carex kobomugiJapanese sedge
Origin: Introduced
Carex lacustrislake sedge
Distribution: Occurring in the northeastern corner of Washington; Alberta south to Idaho, east across the northern half of North America to the Atlantic Coast.
Habitat: Wetland, swamps, and marshes.
Origin: Native
Flowers: July-August
Carex laeviculmissmooth-stemmed sedge
Origin: Native
Flowers: June - August
Carex lasiocarpawiregrass
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska south to California, east to Idaho and Montana in our area; also throughout northeastern North America.
Habitat: Wet meadows, bogs, fens, streambanks, and lakeshores where sometimes forming floating mats.
Origin: Native
Flowers: May-September
Carex leporinaoval broom sedge
Origin: Native
Carex leporinellaSierra hare sedge
Origin: Native
Flowers: July - August
Carex leptaleadelicate sedge, jelly bean sedge
Origin: Native
Flowers: May - August
Carex leptopodashort-scaled sedge, slenderfoot sedge
Origin: Native
Carex limosamud sedge
Origin: Native
Flowers: June - August
Carex lividalivid sedge, pale sedge
Origin: Native
Flowers: May - July
Carex longiiLong's sedge
Origin: Introduced
Carex luzulinaspring sedge, woodrush sedge
Origin: Native
Flowers: June - August
Carex lyngbyeiLyngbye's sedge
Distribution: Circumboreal along the seacoasts; south to northern California in our area
Habitat: Coastal marches and tidal flats
Origin: Native
Flowers: April - July
Carex maclovianaFalkland Island sedge
Origin: Native
Carex macrocephalabighead sedge
Distribution: Occurring in counties along the Puget Sound and outer coast in Washington; Alaska south to Oregon; northern Pacific Rim.
Habitat: Sandy saltwater beaches and dunes.
Origin: Native
Flowers: June-July
Carex macrochaetaAlaska long-awn sedge
Origin: Native
Flowers: June - August
Carex magellanicaboreal bog sedge, poor sedge
Origin: Native
ssp. irrigua – poor sedge
Carex mediaMontana sedge, Scandinavian sedge
Origin: Native
Carex mertensiiMertens' sedge
Distribution: Alaska south in the mountains and the coast ranges of Oregon to northwest California
Habitat: Wet, open or shaded areas from the lowlands to near timberline
Origin: Native
Flowers: May - August
Carex micropodatimberline sedge
Origin: Native
Carex micropterasmall-winged sedge
Distribution: Occurring on both sides of the Cascades crest in Washington; Yukon Territory south to Mexico, east to the Rocky Mountains.
Habitat: Moist to dry meadows and streambanks.
Origin: Native
Flowers: June-August
Carex nardinaspikenard sedge
Distribution: In the Olympics and Cascades of Washington;
Habitat: Alpine rocky outcroppings, slopes, and ridges.
Origin: Native
Flowers: June-August
Carex nebrascensisNebraska sedge
Distribution: East of the Cascades, Washington to California, east to Kansas
Habitat: Wet meadows and other wet areas, often in alkaline areas, lowlands to moderate elevations in the mountains
Origin: Native
Flowers: May - July
Carex neurophoraalpine nerve sedge
Origin: Native
Flowers: July - August
Carex nigricansblack alpine sedge
Origin: Native
Flowers: June - August
Carex nudatatorrent sedge
Origin: Native
Flowers: May - June
Carex obnuptaslough sedge
Distribution: West of the Cascades, British Columbia to California
Habitat: Standing water or saturated soil, coastal swamps and along rivers
Origin: Native
Flowers: April - July
Carex obtusatablunt sedge
Origin: Native
Flowers: May - July
Carex pachycarpafurrowed broomsedge
Origin: Native
Flowers: June - August
Carex pachystachyathick-head sedge
Origin: Native
Flowers: May - August
Carex pallescenspale green sedge
Origin: Introduced
Carex pansasand sedge
Distribution: Along the coast in Washington; Washington south to California.
Habitat: Dunes, meadows, and other open areas along the coast.
Origin: Native
Flowers: May-June
Carex pauciflorafew-flowered edge
Distribution: Near the coast, Alaska to northern Washington, and in northeastern United States
Habitat: Bogs
Origin: Native
Flowers: June - July
Carex pellitawoolly sedge
Distribution: Widely distributed on both sides of the Cascades crest in Washington; widely distributed throughout North America except southeastern U.S.
Habitat: Wet to dry meadows from low elevations to montane.
Origin: Native
Flowers: April-July
Carex pendulapendulous sedge
Origin: Introduced
Carex petasataLiddon's sedge
Origin: Native
Flowers: May - July
Carex phaeocephalamountain hare sedge
Origin: Native
Flowers: June - August
Carex pluriflorablack bog sedge
Origin: Native
Flowers: June - July
Carex praeceptorumteacher's sedge
Origin: Native
Flowers: July - August
Carex praegracilisclustered field sedge
Origin: Native
Flowers: May - August
Carex praticolanorthern meadow sedge
Origin: Native
Flowers: May - August
Carex presliiPresl's sedge
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to Alberta, Idaho, and Montana.
Habitat: Open, dry to seasonally dry areas from montane to alpine.
Origin: Native
Flowers: June-August
Carex propositaSmoky Mountain sedge
Origin: Native
Flowers: July - August
Carex raynoldsiiRaynolds' sedge
Origin: Native
Flowers: June - August
Carex retrorsaretrorse sedge
Origin: Native
Flowers: May - September
Carex rossiiRoss' sedge
Origin: Native
Flowers: May - August
Carex rostratanorthern beaked sedge
Distribution: Alaska to Washington, east to Montana, and in the Great Lakes region
Habitat: Sphagnum bogs
Origin: Native
Flowers: June - August
Carex saxatilislimestone sedge, russet sedge
Origin: Native
Flowers: June - August
Carex scirpoideasingle-spike sedge
Origin: Native
Flowers: June - August
ssp. pseudoscirpoidea – western single-spiked sedge
ssp. scirpoidea – northern single-spike sedge
ssp. stenochlaena – Alaska singlespike sedge
Carex scopariapointed broomsedge
Origin: Native
Flowers: June - July
Carex scopulorum
Origin: Native
Flowers: June - August
var. bracteosa – Sierra alpine sedge
var. prionophyllum – firethread sedge
Carex sheldoniiSheldon's sedge
Origin: Native
Carex siccatadry-spike sedge
Origin: Native
Flowers: May - July
Carex simulataanalogue sedge
Origin: Native
Flowers: May - August
Carex spectabilisshowy sedge
Distribution: Alaska to California, east to Alberta and Montana
Habitat: Damp meadows and other wet places, mid- to high elevations in the mountains
Origin: Native
Flowers: June - August
Carex stenoptilariverbank sedge
Origin: Native
Carex stipata
Distribution: Alaska, Canada and most of the United states
Habitat: Wet ground, lowlands (especially west of the Cascades) to mid-elevations in the mountains
Origin: Native
Flowers: May - August
var. stipata – awl-fruited sedge, sawbeak sedge
Carex straminiformisMt. Shasta sedge
Origin: Native
Flowers: July - August
Carex stylosalong-style sedge
Distribution: Alaska to Clallam County, Washington, east across Canada to Labrador
Habitat: Usually near the coast
Origin: Native
Flowers: June - August
Carex subbracteatasmall-bracted sedge
Origin: Introduced
Carex subfuscarusty sedge
Origin: Native
Flowers: June - August
Carex sychnocephalamany-headed sedge
Origin: Native
Flowers: June - August
Carex sylvaticaEuropean woodland sedge
Origin: Introduced
Carex tahoensisLake Tahoe sedge
Origin: Native
Carex teneraquill sedge, slender sedge
Origin: Native
Flowers: May - August
Carex tenuiflorasparse-flower sedge
Origin: Native
Carex tribuloidestribulation sedge
Distribution: In Washington known only from King and Pierce counties; central Great Plains of the U.S. north and east to Atlantic Coast
Habitat: Lowland riparian areas, likely associated with disturbance.
Origin: Introduced
Flowers: July-August
var. tribuloides – blunt broom sedge
Carex tumulicolafoothill sedge
Origin: Native
Flowers: May - June
Carex unilateralisone-sided sedge
Origin: Native
Flowers: May - July
Carex utriculatabeaked sedge, inflated sedge, Northwest Territory sedge
Origin: Native
Carex vallicolavalley sedge
Origin: Native
Flowers: April - July
Carex vernaculafoetid sedge
Origin: Native
Flowers: June - August
Carex vesicariainflated sedge, oxbow sedge
Origin: Native
Flowers: June - August
Carex viridulagreen sedge
Origin: Native
ssp. viridula – greenish sedge, little green sedge
Carex vulpinoideafox sedge
Distribution: Much of the United States and southern Canada; chiefly east of the Cascades in Washington
Habitat: Marshes and standing water, lowlands and foothills
Origin: Native
Flowers: May - August
Carex zikaeshort-stemmed sedge, Zika's sedge
Origin: Native