Noun
-
common North American weed with linear leaves and small discoid heads of yellowish flowers
widely naturalized throughout temperate regions
sometimes placed in genus Erigeron
- canadian fleabane - conyza canadensis - erigeron canadensis -
erect perennial strong-scented with serrate pointed leaves and a loose panicle of yellowish flowers
the eastern United States
- horse balm - stoneroot - stone root - stone root - collinsonia canadensis