Sphenopsida

Từ điển WordNet v3.1 - WordNet Dictionary

noun

horsetails and related forms
• Syn:
class Sphenopsida, Equisetatae, class Equisetatae
• Hypernyms:
class
• Member Holonyms:
Pteridophyta, division Pteridophyta
• Member Meronyms:
Equisetales, order Equisetales