genus Pistia
lettucey
lettucelike
genus Lactuca
Lactuca
water-lettuce
milk thistle
Romaine lettuce
sea lettuce
buttercrunch
cos
purslane
lettuce leaf
Bibb lettuce
widgeon grass
sleepwort
toad lily
Montia chamissoi
Boston
crisphead
iceberg lettuce
Boston lettuce
genus Ulva
Ulva
celtuce
Lactuca sativa asparagina
cos lettuce
Batavia
stem lettuce
Hydrophyllum
yellow bristle grass
genus Hydrophyllum
lollo rosso
purple lettuce
Aldrovanda
genus Aldrovanda
A-choy
romaine
lettuce
lollo biondo
loose-leaf lettuce
Montia lamprosperma
blinks
water chickweed
blinking chickweed
prickly lettuce
leaf lettuce
alisma
spatterdock
narrow-leaved water plantain
traveler's tree
Ravenala madagascariensis
ravenala
traveller's tree
Cinclidae
family Cinclidae
nelumbo
hydrozone
water poppy
candock
aquatic
Little Gem
featherfoil
hydrophyllum
Nymphaeaceae
family Nymphaeaceae
pondwort
Lactuca scariola
rocket
nut lettuce
Lactuca serriola
water-lily family
horse thistle
waterplant
nymphaeaceous
water-loving
romaine lettuce
genus Eichhornia
hydrilla
pad
Eichhornia
Spirodela
genus Potamogeton
genus Spirodela
Potamogeton
Lactuca sativa longifolia
seaweed
freshwater
gooseneck loosestrife
xigua
melon
Lysimachia clethroides Duby
ribbon-leaved water plantain