blue fieldmadder, herb sherard, spurwort
1 species
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Sherardia arvensisblue field-madder
Distribution: Chiefly west of the Cascades in Washington; British Columbia south to California, east to Idaho and Arizona; introduced from Michigan to Maine, south to Texas to Florida in the east.
Habitat: Weed of prairies, meadows, and other open, disturbed areas.
Origin: Introduced from Mediterranean
Flowers: April-July
Growth Duration: annual