noun
- Paleozoic simple dichotomously branched plants of Europe and eastern Canada including the oldest known vascular land plants.
- synonyms: order Psilophytales
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). psilophytales. Retrieved October 2, 2026, from http://smartdefine.org/psilophytales/definitions/1242381 |
| Chicago | WordNet. 2010. "psilophytales" http://smartdefine.org/psilophytales/definitions/1242381 (accessed October 2, 2026). |
| Harvard | WordNet 2010, psilophytales, Smart Define, viewed 2 October, 2026, <http://smartdefine.org/psilophytales/definitions/1242381>. |
| MLA | WordNet. "psilophytales" 23 October 2010. Web. 2 October 2026. <http://smartdefine.org/psilophytales/definitions/1242381> |