Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east across North America to the Atlantic Coast.
Habitat: Meadows and open slopes, from the lowlands to the alpine.
Flowers: June-October
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Wind
Aromatic, rhizomatous perennial, 3-19 dm. tall, simple up to the inflorescence, white-woolly at least above.
Leaves 3-11 cm. long, lanceolate or lance-elliptic and entire to deeply lobed, the lobes sometimes toothed, up to 1 cm. wide excluding the lobes, white-woolly beneath and often above as well.
Inflorescence paniculate, ample or narrow; involucral bracts imbricate, dry, 2.5-4.5 mm. high; corollas all tubular, yellowish, fertile, the outer ones pistillate, 5-12, the inner perfect, 6-45; receptacle naked; pappus none.
Achenes glabrous.
Publication: Gen. N. Amer. Pl. 2: 143. 1818.
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ssp. candicans – gray sagewort
Occurring east of the Cascades crest in Washington; British Columbia to California, east to Alberta, Montana, Wyoming, and Utah. -
ssp. incompta – intermediate sagewort, mountain wormwood Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east to Alberta, Montana, Wyoming, and Colorado.
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ssp. lindleyana – Lindley's western mugwort, Lindley's prairie sage Occurring east of the Cascades crest and in the Columbia River Gorge in Washington; south-central British Columbia to Oregon, east to western Montana.
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ssp. ludoviciana – western mugwort, Louisiana sagewort, silver wormwood Occurring east of the Cascades crest and in the Columbia River Gorge in Washington; British Columbia to California, east across North America to the Atlantic Coast.
PNW Herbaria: Specimen records of Artemisia ludoviciana in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Artemisia ludoviciana checklist entry
OregonFlora: Artemisia ludoviciana information
E-Flora BC: Artemisia ludoviciana atlas page
CalPhotos: Artemisia ludoviciana photos
