Artemisia
artemisia, mugwort, sagebrush, wormwood
Synonyms:
Picrothamnus [FNA19]
Sphaeromeria [FNA19]
21 species
14 subspecies and varieties
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Artemisia absinthiumabsinthe, oldman, wormwood
Distribution: Introduced in the northern half of the United States and southern Canada
Habitat: Weed of roadsides and waste places
Origin: Introduced
Flowers: July - September
Artemisia annuasweet Annie, sweet sagewort, annual wormwood
Distribution: Native of Eurasia, naturalized in eastern United States, rare in the Pacific Northwest.
Habitat: Fields and waste places.
Origin: Introduced
Flowers: August - October
Artemisia arbusculadwarf sagebrush, low sagebrush
Distribution: East of the Cascades in Washington; Pacific Northwest, east into Montana
Habitat: Open, dry plains and hills at moderate to high elevations.
Origin: Native
Flowers: July - September
ssp. arbuscula – little sagebrush, low sagebrush
Artemisia biennisbiennial wormwood
Distribution: Native in the Pacific Northwest, but widely distributed elsewhere as a weed.
Habitat: Waste places and streambanks, especially in sandy soil.
Origin: Native? Disputed native (BC) or introduced (Chambers and Sundberg 2000)
Flowers: August - October
Artemisia campestrisPacific sagewort, northern wormwood
Distribution: Occurring on both sides of the Cascades crest in Washington; widely distributed throughout most of Washington.
Habitat: Open places, often in sandy soil.
Origin: Native
Flowers: July-September
var. scouleriana – Pacific sagewort, Scouler's wormwood
var. wormskioldii – Columbia Islands sagewort, Wormskiold's wormwood sagewort
Artemisia canahoary sagebrush, silver sagebrush
Distribution: Occurring east of the Cascades crest in Washington; British Columbia south to California, east to the Rocky Mountains and northern Great Plains.
Habitat: Meadows and forest openings from valley bottoms to moderate elevations in the mountains.
Origin: Native
Flowers: July-September
Artemisia douglasianaDouglas mugwort, Douglas sagewort, Douglas wormwood
Distribution: Occurring in Washington chiefly east of the Cascades crest, but also on the west side; widely distributed throughout much of North America.
Habitat: Mostly along stream banks and river bottoms.
Origin: Native
Flowers: August-September
Artemisia dracunculusdragon sagewort, tarragon, dragon wormwood
Distribution: Occurring east of the Cascades crest in Washington; widely distributed throughout the central and western portions of North America.
Habitat: Shrub-steppe to dry, open areas at mid-elevations.
Origin: Native
Flowers: July-October
Artemisia frigidaprairie sagebrush, prairie sagewort
Distribution: Rocky Mountains and Great Plains states, occasionally in eastern Washington and British Columbia
Habitat: Dry, open plains and foothills
Origin: Native
Flowers: July - September
Artemisia furcatathree-forked mugwort, forked wormwood, three-forked wormwood
Distribution: Occurring in the Cascades and Olympic Mountains of Washington; Alaska south to Washington, east to Northwest Territories, Alberta, and Nunavut.
Habitat: Open, rocky ledges and talus slopes at high elevations in the mountains.
Origin: Native
Flowers: July-September
Artemisia ludovicianawestern mugwort, prairie sage
Distribution: Occurring on both sides of the Cascades in Washington; distributed widely throughout North America.
Habitat: Fairly dry areas from the foothills to high elevations in the mountains.
Origin: Native
Flowers: June-October
ssp. candicans – gray sagewort
ssp. incompta – intermediate sagewort, mountain wormwood
ssp. ludoviciana – western mugwort, Louisiana sagewort, silver wormwood
Artemisia michauxianaMichaux's mugwort, lemon sagewort, Michaux's wormwood
Distribution: British Columbia to California, east to Alberta and Wyoming.
Habitat: Rocky places in the mountains at rather high elevations.
Origin: Native
Flowers: May - August
Artemisia norvegicamountain sagewort, boreal wormwood
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska south to California, east to the Rocky Mountains.
Habitat: Subalpine and alpine areas, typically where moist.
Origin: Native
Flowers: July-September
ssp. saxatilis – mountain sagewort
Artemisia rigidascabland sagebrush, stiff sagebrush
Distribution: Occurring east of the Cascades crest in Washington; Washington south to Oregon, east to Idaho and Montana.
Habitat: Dry, rocky places from the plains and foothills to moderate elevations in the mountains.
Origin: Native
Flowers: September-October
Artemisia spiciformissnowfield sagebrush, spiked sagebrush
Origin: Native
Artemisia stellerianadusty miller, oldwoman, beach wormwood, Steller's wormwood
Distribution: Known from a few locations along the north coast in Washington; known only from Washington in western North America; central Canada and U.S. to the Atlantic Coast.
Habitat: Coastal dunes and beaches.
Origin: Introduced
Flowers: May-September
Artemisia suksdorfiicoastal mugwort, Suksdorf's sagewort, coastal wormwood
Distribution: Occurring west of the Cascades crest in Washington, British Columbia south to California.
Habitat: Bluffs and rocky or sandy beaches, less commonly in other low, open places.
Origin: Native
Flowers: June-August
Artemisia tilesiiAleutian mugwort, Cascade wormwood
Distribution: Occurring in the Olympic and Cascade Mountains of Washington; Alaska to Oregon, east to Montana and across Canada.
Habitat: Open rocky or gravelly, wet or dry sites, mostly at high elevations in the mountains, descending to sea level northward.
Origin: Native
Flowers: July-September
Artemisia tridentatabig sagebrush
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia south to California, east to the Rocky Mountains and northern Great Plains.
Habitat: Dry plains and hills up to timberline, but not in lithosol or alkaline soil.
Origin: Native
Flowers: July-September
ssp. tridentata – big sagebrush
ssp. vaseyana – mountain big sagebrush, Vasey sagebrush
ssp. wyomingensis – Wyoming sagebrush
Artemisia tripartitacut-leaf sagebrush, threetip sagebrush
Distribution: Occurring east of the Cascades crest in Washington; British Columbia south to Oregon, east to Idaho and Nevada.
Habitat: Sagebrush-steppe grasslands and desert.
Origin: Native
Flowers: July-September
ssp. tripartita – cutleaf sagebrush, threetip sagebrush
Artemisia vulgarismugwort, lobed wormwood
Distribution: Introduced from Europe, now established in most of eastern United States and adjacent Canada; uncommon in the Pacific Northwest.
Habitat: Waste areas and disturbed soil.
Origin: Introduced
Flowers: August - October