alternate-leaf dogwood, pagoda dogwood
American basswood, linden
American beech
American chestnut
American elm
American hazelnut
American mountain-ash
American sweetgum, sweetgum
American sycamore
American yellowwood
Amur corktree
Amur Maackia
Amur maple
apple
arrowwood, arrowwood viburnum
Austrian pine
baldcypress
balsam fir
balsam poplar
bicolor oak, swamp white oak
bigtooth aspen
bitternut hickory
black cherry
black chokeberry, aronia
black oak
black walnut
blacklocust
blue spruce, Colorado spruce
boxelder
bur oak
buttonbush
Callery pear
chestnut oak
chokecherry
common juniper
common lilac
cornelian-cherry
Douglas-fir
eastern cottonwood
eastern hemlock
eastern redbud
eastern redcedar
eastern white pine
elderberry
European ash
European buckthorn
European white poplar, white poplar
fragrant sumac
Fraser fir
ginkgo, maidenhair-tree
glossy buckthorn
gray dogwood
green ash
hackberry
hawthorn
highbush-cranberry, American cranberrybush
honey-locust
horsechestnut
ironwood, hophornbeam
jack pine
Japanese pagoda tree
Japanese tree lilac
katsura tree