noun
- Large branching biennial herb native to Eurasia and Africa and adventive in North America having large fernlike leaves and white flowers; usually found in damp habitats; all parts extremely poisonous.
- synonyms: hemlock, poison hemlock, poison parsley, Nebraska fern, winter fern, Conium maculatum
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). California fern. Retrieved September 20, 2026, from http://smartdefine.org/california_fern/definitions/1262703 |
| Chicago | WordNet. 2010. "California fern" http://smartdefine.org/california_fern/definitions/1262703 (accessed September 20, 2026). |
| Harvard | WordNet 2010, California fern, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/california_fern/definitions/1262703>. |
| MLA | WordNet. "California fern" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/california_fern/definitions/1262703> |