Genus = Tripleurospermum,
Displaying matches 1 - 2 of 2.
(= Matricaria maritima in Flora of the Pacific Northwest)
Glabrous annual, biennial or occasionally perennial, nearly scentless herb, 1-6 dm. tall.
Distribution: Occurring in scattered locations throughout Washington; widely distributed throughout northern 2/3 of North America.
Habitat: Noxious weed in fields and waste ground in eastern Washington
Usually glabrous perennials, the 1-5 stems 10-50 cm. tall, usually procumbent and branched above.
Distribution: Introduced throughout eastern United States; occasional in Washington.
Habitat: Roadsides, fields, waste ground.
