(n.) Any plant of the composite genus Rudbeckia, coarse herbs somewhat resembling the sunflower; -- so called from their conical receptacles.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). thimbleweed. Retrieved September 21, 2026, from http://smartdefine.org/thimbleweed/definitions/2072107 |
| Chicago | Webster's. 2011. "thimbleweed" http://smartdefine.org/thimbleweed/definitions/2072107 (accessed September 21, 2026). |
| Harvard | Webster's 2011, thimbleweed, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/thimbleweed/definitions/2072107>. |
| MLA | Webster's. "thimbleweed" 28 May 2011. Web. 21 September 2026. <http://smartdefine.org/thimbleweed/definitions/2072107> |