(n.) A composite plant (Erigeron Canadensis), which is a common weed.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). horseweed. Retrieved September 23, 2026, from http://smartdefine.org/horseweed/definitions/2017441 |
| Chicago | Webster's. 2011. "horseweed" http://smartdefine.org/horseweed/definitions/2017441 (accessed September 23, 2026). |
| Harvard | Webster's 2011, horseweed, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/horseweed/definitions/2017441>. |
| MLA | Webster's. "horseweed" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/horseweed/definitions/2017441> |