These are the most frequently used words in this book.
above
algae
although
america
aponogeton
aquarium
aquatic
areas
asia
available
background
below
bright
carbon
characteristics
clay
colour
conditions
critical
cryptocoryne
cuttings
dark
dioxide
distribution
echinodorus
emersed
filters
fishes
floating
flowers
form
gravel
green
grow
growing
grown
growth
hardness
height
ideal
include
lamps
large
leaf
leaves
length
level
light
lighting
long
lower
may
middleground
natural
need
new
often
pale
petioles
ph
pieces
plain
plant
produce
produced
propagation
provide
range
reach
red
rich
rocks
roots
runners
seeds
shoots
small
species
specimen
stems
submerged
substrate
suitable
surface
take
tank
temperature
thrive
tropical
tubes
two
type
use
used
value
varieties
washed
water
white
wide