noun
- Paleozoic simple dichotomously branched plants of Europe and eastern Canada including the oldest known vascular land plants.
- synonyms: Psilophytales
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). order psilophytales. Retrieved September 27, 2026, from http://smartdefine.org/order_psilophytales/definitions/1299189 |
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