noun
- North American perennial with bright yellow late summer flowers.
- synonyms: Helenium autumnale
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). autumn sneezeweed. Retrieved September 27, 2026, from http://smartdefine.org/autumn_sneezeweed/definitions/1237481 |
| Chicago | WordNet. 2010. "autumn sneezeweed" http://smartdefine.org/autumn_sneezeweed/definitions/1237481 (accessed September 27, 2026). |
| Harvard | WordNet 2010, autumn sneezeweed, Smart Define, viewed 27 September, 2026, <http://smartdefine.org/autumn_sneezeweed/definitions/1237481>. |
| MLA | WordNet. "autumn sneezeweed" 23 October 2010. Web. 27 September 2026. <http://smartdefine.org/autumn_sneezeweed/definitions/1237481> |