psilophytales
1. [ noun ] (biology,botany) Paleozoic simple dichotomously branched plants of Europe and eastern Canada including the oldest known vascular land plants
Synonyms: order_Psilophytales
Related terms: plant_order Pteridophyta Psilophytaceae Rhyniaceae psilophyte
Similar spelling:   psilophyte
  Psilophytaceae
  psilophyton
  Psilopsida