noun
- Containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns; in some classifications considered a subdivision of Tracheophyta.
- synonyms: division Pteridophyta
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). Pteridophyta. Retrieved September 21, 2026, from http://smartdefine.org/pteridophyta/definitions/1235902 |
| Chicago | WordNet. 2010. "Pteridophyta" http://smartdefine.org/pteridophyta/definitions/1235902 (accessed September 21, 2026). |
| Harvard | WordNet 2010, Pteridophyta, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/pteridophyta/definitions/1235902>. |
| MLA | WordNet. "Pteridophyta" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/pteridophyta/definitions/1235902> |