| Engelsk navneord: order Psilophytales | |||
| 1. | order Psilophytales (om plante) Paleozoic simple dichotomously branched plants of Europe and eastern Canada including the oldest known vascular land plants | ||
| Termer med samme betydning (synonymer) | Psilophytales | ||
| Mindre specifikke termer | plant order | ||
| Tilhører disse specifikke termer | family Psilophytaceae, family Rhyniaceae, Psilophytaceae, psilophyte, Rhyniaceae | ||
| Tilhører disse overordnede termer | division Pteridophyta, Pteridophyta | ||