aquatic fern
water fern
rheophyte
synangium
candock
hydrophytology
emergent
water lettuce
water cabbage
Pistia stratoites
Pistia stratiotes
pistia
benthophyte
Ceratopteris thalictroides
floating fern
prop root
ferned
fernshaw
fernland
beferned
water-loving
interplant
air plant
epiphytic plant
aerophyte
epiphyte
ombrophile
shrubbery
limnophyte
Cyatheaceae
nymphaeid
braky
family Cyatheaceae
brambly
growth
Salvinia rotundifolia
summer-blooming
summer-flowering
phytoecology
pleuston
Salvinia auriculata
floating-moss
stalky
ferny
fernlike
everblooming
marsh fern
Thelypteris palustris
genus Meniscium
genus Regnellidium