noun
- Chiefly lithophytic or epiphytic fern of North America and east Asia.
- synonyms: rock polypody, rock brake, Polypodium virgianum
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). American wall fern. Retrieved September 21, 2026, from http://smartdefine.org/american_wall_fern/definitions/1256209 |
| Chicago | WordNet. 2010. "American wall fern" http://smartdefine.org/american_wall_fern/definitions/1256209 (accessed September 21, 2026). |
| Harvard | WordNet 2010, American wall fern, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/american_wall_fern/definitions/1256209>. |
| MLA | WordNet. "American wall fern" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/american_wall_fern/definitions/1256209> |