英文關鍵字
species
perennial
herbaceous
plants
nuphar
nymphaeaceae
rhizomatous
aquatic
family
lake
karelia
shore
swamp
summer
water
north
pond
wild
ecology
environment
marshland
taiga
wetland
marsh
bog
quagmire
morass
backwater
mire
fen
slough
moss
quag
herb
floating
leaves
creeping
rhizome
specialization