Useful english dictionary. 2012.
class Psilopsida — noun whisk ferns; comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs • Syn: ↑Psilopsida, ↑Psilotatae, ↑class Psilotatae • Hypernyms: ↑class • Member… … Useful english dictionary
Psilotatae — noun whisk ferns; comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs • Syn: ↑Psilopsida, ↑class Psilopsida, ↑class Psilotatae • Hypernyms: ↑class • Mem … Useful english dictionary
Psilopsida — noun whisk ferns; comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs • Syn: ↑class Psilopsida, ↑Psilotatae, ↑class Psilotatae • Hypernyms: ↑class • Mem … Useful english dictionary
division Pteridophyta — noun 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 • Syn: ↑Pteridophyta • Hypernyms: ↑division • Member Holonyms:… … Useful english dictionary
Pteridophyta — noun 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 • Syn: ↑division Pteridophyta • Hypernyms: ↑division • Member… … Useful english dictionary
order Psilotales — noun lower vascular plants having dichotomously branched sporophyte divided into aerial shoot and rhizome and lacking true roots • Syn: ↑Psilotales • Hypernyms: ↑plant order • Member Holonyms: ↑Psilopsida, ↑class Psilopsida, ↑Psilotatae, ↑ … Useful english dictionary
Psilotales — noun lower vascular plants having dichotomously branched sporophyte divided into aerial shoot and rhizome and lacking true roots • Syn: ↑order Psilotales • Hypernyms: ↑plant order • Member Holonyms: ↑Psilopsida, ↑class Psilopsida, ↑Psilotatae … Useful english dictionary
