noun
- Thimbleweed of northern North America.
- synonyms: Anemone riparia
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). longheaded thimbleweed. Retrieved September 21, 2026, from http://smartdefine.org/longheaded_thimbleweed/definitions/1236470 |
| Chicago | WordNet. 2010. "longheaded thimbleweed" http://smartdefine.org/longheaded_thimbleweed/definitions/1236470 (accessed September 21, 2026). |
| Harvard | WordNet 2010, longheaded thimbleweed, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/longheaded_thimbleweed/definitions/1236470>. |
| MLA | WordNet. "longheaded thimbleweed" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/longheaded_thimbleweed/definitions/1236470> |