Rumex
dock, sorrel
15 species
6 subspecies and varieties
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Rumex acetosa
Distribution: Introduced in scattered locations in North America; occasional in British Columbia, western Washington and Oregon, and northcentral Montana.
Habitat: Disturbed soil and wasteland.
Origin: Introduced
Flowers: April - July
Rumex acetosellacommon sheep sorrel
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
Habitat: Balds, prairies, meadows, pastures, fields, roadsides, wastelots, lawns and other disturbed open areas from the lowlands to middle elevations in the mountains.
Origin: Introduced from Eurasia
Flowers: May-August
Rumex conglomeratusclustered dock, sharp dock
Distribution: Occurring west of the Cascades crest in Washington; British Columbia to California, also along southern U.S. border to central and eastern U.S.
Habitat: A weed of waste ground.
Origin: Introduced
Flowers: June-September
Rumex crispuscurly dock, sour dock
Distribution: Introduced and common in most of North America from the coast to inland mountains.
Habitat: Moist meadows.
Origin: Introduced
Flowers: June - September
Rumex dentatustoothed dock
Origin: Introduced
Rumex maritimusgolden dock
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to eastern North America except for southeastern U.S.
Habitat: Mostly in wet places.
Origin: Native
Flowers: June-September
ssp. fueginus – American golden dock, Tierra del Fuego dock
Rumex obtusifoliusbitter dock
Distribution: Occurring on both sides of the Cascades in Washington; widely distributed throughout much of North America.
Habitat: Moist roadsides and wasteland.
Origin: Introduced
Flowers: March-September
Rumex occidentaliswestern dock, western dock o n
Distribution: Distributed on both sides of the Cascades in Washington; Alaska south to central California, east to North Dakota and New Mexico.
Habitat: Moist to swampy areas and wet meadows, from the sea coast to foothill valleys.
Origin: Native
Flowers: June-August
Rumex patientiapatience dock
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to Oregon, east to the Atlantic Coast.
Habitat: Roadsides and other disturbed, open ground
Origin: Introduced from Eurasia
Flowers: May-August
Rumex paucifoliusalpine sheep sorrel, alpine sorrel, mountain sorrel
Distribution: Occurring east of the Cascades crest in Washington; southern British Columbia to California, east to the Rocky Mountains.
Habitat: moist grasslands, stream banks, and montane to alpine meadows.
Origin: Native
Flowers: June -August
Rumex persicarioidesseashore dock, yellow dock
Distribution: Occurring along the coast in Washington; British Columbia to California, also in eastern North America.
Habitat: Beaches, shores, and slightly saline marshes.
Origin: Native
Flowers: June-August
Rumex salicifoliuswillow dock
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Atlantic Coast
Habitat: Streambanks, moist meadows, beaches, alkaline shores, roadsides, and other open places from low to moderate elevations.
Origin: Native
Flowers: May-July
var. angustivalvis – western willow dock
var. transitorius – narrow-leaved dock, Pacific willow dock
var. triangulivalvis – or triangular-valved dock, white, white willow
var. utahensis – Utah willow dock
Rumex sanguineusred-vein dock
Distribution: Occurring chiefly west of the Cascades crest in Washington; southwestern British Columbia to Oregon, also in eastern North America.
Origin: Introduced from Eurasia
Flowers: June-September
Rumex stenophyllusnarrow-leaved dock, narrowleaf dock
Origin: Introduced from Europe
Rumex venosusveiny dock, winged dock
Distribution: Occurring east of the Cascades crest in Washington; Alberta to California, east to the Rocky Mountains and Great Plains.
Habitat: Sand dunes and sandy river banks to dry, gravelly soil, sagebrush deserts and grasslands at low elevations.
Origin: Native
Flowers: April-June