order Psilophytales
Paleozoic simple dichotomously branched plants of Europe and eastern Canada including the oldest known vascular land plants • Syn: Psilophytales • Hypernyms: plant order • Member Holonyms: Pteridophyta, division Pteridophyta • Member Meronyms: psilophyte, Psilophytaceae, family Psilophytaceae, Rhyniaceae, family Rhyniaceae
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