Definition that contains vascular plant
- fern any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores
- hepatic any of numerous small green nonvascular plants of the class Hepaticopsida growing in wet places and resembling green seaweeds or leafy mosses
- liverwort any of numerous small green nonvascular plants of the class Hepaticopsida growing in wet places and resembling green seaweeds or leafy mosses
- stele the usually cylindrical central vascular portion of the axis of a vascular plant
- psilotales lower vascular plants having dichotomously branched sporophyte divided into aerial shoot and rhizome and lacking true roots
- class psilopsida whisk ferns; comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs
- order lycopodiales lower vascular plants coextensive with the family Lycopodiaceae; in some classifications includes the Selaginellaceae and Isoetaceae
- class psilotatae whisk ferns; comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs
- order psilotales lower vascular plants having dichotomously branched sporophyte divided into aerial shoot and rhizome and lacking true roots
- psilotatae whisk ferns; comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs