scented penstemon
Penstemon palmeri
balloon flower
sego lily
Calochortus nuttallii
mountain tea
checkerberry
teaberry
wintergreen
groundberry
creeping wintergreen
Gaultheria procumbens
ground-berry
Boykinia occidentalis
coast boykinia
Boykinia elata
scarlet bugler
Penstemon parryi
Hydrangea arborescens
wild hydrangea
Penstemon centranthifolius
Parry's penstemon
sweet pepperbush
white alder
pepper bush
Clethra alnifolia
summer sweet
crampbark
Rhododendron viscosum
cranberry tree
western saxifrage
Allegheny mountain spurge
European cranberry bush
Dryas octopetala
European cranberrybush
guelder rose
Viburnum opulus
swamp azalea
swamp honeysuckle
Allegheny spurge
white honeysuckle
Pachysandra procumbens
Saxifraga occidentalis
mountain avens
Andrew's clintonia
narrow-leaf penstemon
American fly honeysuckle
Leptarrhena pyrolifolia
Lonicera canadensis
Habenaria greenei