division Pteridophyta

Từ điển WordNet v3.1 - WordNet Dictionary

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:
Plantae, kingdom Plantae, plant kingdom
• Member Meronyms:
genus Pecopteris, pteridophyte, nonflowering plant, fern family, fern genus,
Filicopsida, class Filicopsida, Filicinae, class Filicinae, Psilopsida, class Psilopsida,
Psilotatae, class Psilotatae, Psilophytales, order Psilophytales, Sphenopsida, class Sphenopsida,
Equisetatae, class Equisetatae, Lycopsida, class Lycopsida, Lycopodiate, class Lycopodiate