genus Azolla

Từ điển Oxford Learners Wordfinder Dictionary

noun

a genus of fern sometimes placed in its own family Azollaceae
• Syn:
Azolla
• Hypernyms:
fern genus
• Member Holonyms:
Salviniaceae, family Salviniaceae
• Member Meronyms:
mosquito fern, floating fern, Carolina pond fern, Azolla caroliniana