water-lily family
alligator weed
rheophyte
Alternanthera philoxeroides
alligator grass
frogbit family
family Hydrocharidaceae
family Hydrocharitaceae
Hydrocharitaceae
frog's-bit family
Hydrocharidaceae
genus Lemna
hydrochoric
Spirodela
reedmace
water starwort
alisma
Lemna
genus Spirodela
succulent
helophyte
ribbon-leaved water plantain
genus Hydrophyllum
Hydrophyllum
inquiline
Potamogeton
pickerel weed
genus Potamogeton
marsh plant
swamp plant
phreatophyte
bog plant
geophyte
narrow-leaved water plantain
freshwater
seaweed
lilypond
water speedwell
Veronica michauxii
Veronica anagallis-aquatica
herbarium
isohydric
Lobelia dortmanna