1 species
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Lapsana communiscommon nipplewort
Distribution: Occurring on both sides of the Cascades crest in Washington, but more often west of the crest; Alaska to California, east across much of North America to the Atlantic Coast.
Habitat: Disturbed areas including roadsides, wastelots, fields, and forest edge.
Origin: Introduced from Eurasia
Flowers: May-July
Growth Duration: Annual