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
plant order — noun the order of plants • Hypernyms: ↑order • Hyponyms: ↑Anthocerotales, ↑order Anthocerotales, ↑Andreaeales, ↑order Andreaeales, ↑Bryales, ↑order Bryales, ↑ … Useful english dictionary
Psilotaceae — Taxobox name = Psilotaceae image width = 250px image caption = Closeup of Psilotum nudum regnum = Plantae divisio = Pteridophyta classis = Psilotopsida ordo = Psilotales familia = Psilotaceae subdivision ranks = Genera subdivision = * Psilotum *… … Wikipedia
List of plant orders — This article lists the orders of the Viridiplantae.Phylum ChlorophytaThis section lists the orders of Viridiplantae within the phylum Chlorophyta.Class ChlorophyceaeThis section lists the orders of Viridiplantae within the class Chlorophyceae.:*… … Wikipedia
Psilotum — Taxobox name = Psilotum image width = 250px image caption = Closeup of Psilotum nudum regnum = Plantae divisio = Pteridophyta classis = Psilotopsida ordo = Psilotales familia = Psilotaceae genus = Psilotum subdivision ranks = Species subdivision … Wikipedia
Psilotum nudum — Taxobox name = Psilotum image width = 250px image caption = Closeup of Psilotum nudum regnum = Plantae divisio = Pteridophyta classis = Psilotopsida ordo = Psilotales familia = Psilotaceae genus = Psilotum species = Psilotum nudum Psilotum nudum… … Wikipedia
Tmesipteris — Taxobox name = Tmesipteris regnum = Plantae divisio = Pteridophyta classis = Psilotopsida ordo = Psilotales familia = Psilotaceae genus = Tmesipteris subdivision ranks = Species subdivision = Tmesipteris elongata Tmesipteris fosteri Tmesipteris… … Wikipedia
fern — fernless, adj. fernlike, adj. /ferrn/, n. any seedless, nonflowering vascular plant of the class Filicinae, of tropical to temperate regions, characterized by true roots produced from a rhizome, triangular fronds that uncoil upward and have a… … Universalium
Fern — /ferrn/, n. a female given name. * * * Any of about 10,000–12,000 species (division Filicophyta) of nonflowering vascular plants that have true roots, stems, and complex leaves and reproduce by spores. Though ferns were once classified with the… … Universalium
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