alder |
aspen |
buckeye |
birch |
blue spruce |
cherry |
crab apple |
cypress |
dogwood |
douglas fir |
elder |
elm |
ginkgo |
green ash |
hackberry |
hemlock |
hickory |
holly |
locust |
lombardy poplar |
magnolia |
maple |
moutain ash |
mulberry |
oak |
pecan |
plum |
ponderosa pine |
red maple |
red spruce |
redbud |
redwood |
sassafras |
sweetgum |
sycamore |
walnut |
whitebark pine |
white oak |
yellow poplar |