environmental
abstract
agriculture
branch
christmas
computer
conservation
design
element
environment
evergreen
fir
flat
forest
gardening
graphic
grey
growth
herb
icon
illustration
isolated
landscape
life
line
logo
logotype
modern
nature
new
ornament
ornate
pine
plant
reforestation
season
sign
silhouette
simple
spring
spruce
symbol
tree
treetop
trunk
view
winter
wood
xmas