subdivision Pteropsida

Từ điển WordNet v3.1 - WordNet Dictionary

noun

used in former classifications to include all ferns and flowering plants and divided into the three classes Filicinae and Gymnospermae and Angiospermae
• Syn:
Pteropsida
• Hypernyms:
division
• Member Holonyms:
Tracheophyta, division Tracheophyta