water fern

Từ điển WordNet v3.1 - WordNet Dictionary

noun

ferns that grow in water
• Syn:
aquatic fern
• Hypernyms:
fern
• Hyponyms:
clover fern, pepperwort, pillwort, Pilularia globulifera, regnellidium,
Regnellidium diphyllum, floating-moss, Salvinia rotundifolia, Salvinia auriculata, mosquito fern, floating fern,
Carolina pond fern, Azolla caroliniana, water sprite, Ceratopteris pteridioides, Ceratopteris thalictroides