= nonnative, planted and a wildland component, commonly "escapes" cultivation
= nonnative, planted, generally
not considered a wildland component or invasive
= a North American native, may naturalize outside its native
range
Zone: 2
    Abies
balsamea - balsam fir
    Landowner Factsheet
    Abies
lasiocarpa - subalpine fir
    Landowner Factsheet
    Abies
magnifica - California red fir
    Acer
ginnala - Amur maple
    Acer
negundo - boxelder
    Landowner Factsheet
    Alnus
incana ssp. tenuifolia - thinleaf alder
    Alnus
viridis ssp. sinuata - Sitka alder
    Andromeda
polifolia - bog rosemary
    Arctostaphylos
uva-ursi - kinnikinick
    Betula
occidentalis - water birch
    Betula
papyrifera - paper birch
    Landowner Factsheet
    Betula
pendula - European weeping birch
    Caragana
arborescens - pea tree
    Celtis
occidentalis - hackberry
    Chamaedaphne
calyculata - leatherleaf
    Chimaphila
maculata - striped pipsissewa
    Chimaphila
umbellata - prince's pine
    Comptonia
peregrina - sweetfern
    Cornus
canadensis - bunchberry
    Cornus
sericea - red-osier dogwood
    Dasiphora
fruticosa - shrubby cinquefoil
    Diervilla
lonicera - northern bush-honeysuckle
    Elaeagnus
angustifolia - Russian-olive
    Epigaea
repens - trailing arbutus
    Fraxinus
nigra - black ash
    Halesia
tetraptera - silverbell
    Juniperus
communis - common juniper
    Juniperus
horizontalis - creeping juniper
    Juniperus
virginiana - eastern redcedar
    Landowner Factsheet
    Kalmia
angustifolia - sheep laurel
    Kalmia
microphylla - alpine laurel
    Kalmia
polifolia - bog laurel
    Larix
decidua - European larch
    Larix
laricina - tamarack
    Landowner Factsheet
    Larix
lyallii - subalpine larch
    Ledum
groenlandicum - Labrador tea
    Linnaea
borealis - twinflower
    Lonicera
maackii - Amur honeysuckle
    Menziesia
ferruginea - false azalea
    Myrica
gale - sweetgale
    Physocarpus
opulifolius - common ninebark
    Picea
abies - Norway spruce
    Picea
engelmannii - Engelmann spruce
    Landowner Factsheet
    Picea
glauca - white spruce
    Landowner Factsheet
    Picea
mariana - black spruce
    Landowner Factsheet
    Picea
pungens - blue spruce
    Pinus
banksiana - jack pine
    Landowner Factsheet
    Pinus
contorta - lodgepole pine
    Landowner Factsheet
    Pinus
mugo - mugo pine
    Pinus
resinosa - red pine
    Landowner Factsheet
    Pinus
sylvestris - Scots pine
    Populus
balsamifera ssp. balsamifera - balsam poplar
    Landowner Factsheet
    Populus
balsamifera ssp. trichocarpa - black cottonwood
    Landowner Factsheet
    Populus
tremuloides - quaking aspen
    Landowner Factsheet
    Prunus
pensylvanica - fire cherry
    Landowner Factsheet
    Prunus
virginiana - choke cherry
    Quercus
macrocarpa - bur oak
    Landowner Factsheet
    Rhododendron
albiflorum - white rhododendron
    Rhus
glabra - smooth sumac
    Ribes
acerifolium - mapleleaf currant
    Ribes
rotundifolium - Appalachian gooseberry
    Robinia
pseudoacacia - black locust
    Landowner Factsheet
    Rosa
rugosa - rugosa rose
    Rubus
ursinus - wild blackberry
    Salix
alba - white willow
    Salix
bebbiana - Bebb's willow
    Salix
discolor - pussy willow
    Salix
exigua - sandbar willow
    Salix
scouleriana - Scouler willow
    Sambucus
racemosa - red elderberry
    Shepherdia
canadensis - buffaloberry
    Sorbus
americana - American mountain-ash
    Sorbus
sitchensis - Sitka mountain-ash
    Spiraea
alba var. alba - narrowleaf spirea
    Spiraea
alba var. latifolia - meadowsweet
    Symphoricarpos
orbiculatus - coralberry
    Thuja
occidentalis - northern white-cedar
    Landowner Factsheet
    Tilia
americana - American basswood
    Landowner Factsheet
    Ulmus
americana - American elm
    Landowner Factsheet
    Vaccinium
corymbosum - highbush blueberry
    Vaccinium
macrocarpon - cranberry
    Vaccinium
oxycoccos - small cranberry
    Vaccinium
vitis-idaea - lingonberry
    Viburnum
lentago - nannyberry
    Xanthorhiza
simplicissima - yellowroot