order Psilophytales


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Related to order Psilophytales: Psilotaceae, Sphenophyta
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Noun1.order Psilophytales - Paleozoic simple dichotomously branched plants of Europe and eastern Canada including the oldest known vascular land plants
plant order - the order of plants
division Pteridophyta, Pteridophyta - containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns; in some classifications considered a subdivision of Tracheophyta
psilophyte - any plant of the order Psilophytales: a savannah plant
family Rhyniaceae, Rhyniaceae - primitive plants of the Paleozoic