abstract
aging
ancient
area
bark
branch
canopy
color
day
deciduous
environment
foliage
forest
green
growth
large
leaf
lichen
lime
loneliness
low
lush
moss
nature
old
outdoors
plants
process
remote
root
rough
solitary
solitude
spring
stem
strength
tree
trunk
trust
vertical
view
vitality
wilderness
woods