noun
- American ragwort with yellow flowers.
- synonyms: ragwort, Senecio glabellus
- Any of several yellow-flowered plants of the genus Packera; often placed in genus Senecio. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). butterweed. Retrieved September 20, 2026, from http://smartdefine.org/butterweed/definitions/1237577 |
| Chicago | WordNet. 2010. "butterweed" http://smartdefine.org/butterweed/definitions/1237577 (accessed September 20, 2026). |
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| MLA | WordNet. "butterweed" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/butterweed/definitions/1237577> |