Horseweed

مترادف و متضاد horseweed

1. noun Erect perennial strong-scented with serrate pointed leaves and a loose panicle of yellowish flowers; the eastern United States
   Synonyms: horse balm, stoneroot, richweed, stone-root, Collinsonia canadensis
2. 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
   Synonyms: Canadian fleabane, fleabane, Conyza canadensis, Erigeron canadensis