order_psilophytales
1. [ noun ] (biology,botany) Paleozoic simple dichotomously branched plants of Europe and eastern Canada including the oldest known vascular land plants
Synonyms: Psilophytales
Related terms: plant_order Pteridophyta Psilophytaceae Rhyniaceae psilophyte
Similar spelling:   order_Psilotales
  order_Aristolochiales
  order_Parietales
  order_Lycoperdales
  order_Lycopodiales
  order_Caryophyllales
  order_Entomophthorales
  order_Peronosporales
  order_Volvocales
  order_Opuntiales
  order_Aphyllophorales
  order_Papaverales
  order_Polygonales
  order_Pseudomonadales
  order_Actinomycetales
  order_Polemoniales
  order_Polypodiales
  order_Geophilomorpha
  order_Pandanales
  order_Primulales
  order_Siphonophora
  order_Plantaginales
  order_Mycoplasmatales
  order_Equisetales
  order_Diapensiales
  order_Mallophaga
  order_Erysiphales
  order_Psocoptera
  order_Plumbaginales
  order_Psittaciformes