Field Guide to Forest Plants of Northern Idaho
United States
Department of
Agriculture
Forest Service
Rocky Mountain
Research Station
Ft. Collins, CO
General Technical Report
RMRS-GTR-118-CD
February 2004
Authors
Acknowledgments
Introduction
Species description
format
Trees
Shrubs
Ferns & Friends
Forbs
Graminoids
Descriptive drawings
Collecting and
pressing methods
Glossary
References
Common Name
Scientific Name
Trees
alder, red
aspen, quaking
birch, paper
birch, water
cottonwood, black
Douglas-fir, Rocky Mountain
fir, alpine
fir, grand
fir, red
fir, subalpine
fir, white
hemlock, mountain
hemlock, western
larch, alpine
larch, Lyall
larch, subalpine
larch, western
pine, bull
pine, jack
pine, ponderosa
pine, western white
pine, whitebark
pine, yellow
red cedar, western
spruce, Engelmann
tamarack
yew, Pacific
yew, western
Trees
Abies grandis
Abies lasiocarpa
Alnus rubra
Betula occidentalis
Betula papyrifera
Larix lyallii
Larix occidentalis
Picea engelmannii
Pinus albicaulis
Pinus contorta
Pinus monticola
Pinus ponderosa
Populus tremuloides
Populus trichocarpa
Pseudotsuga menziesii
Taxus brevifolia
Thuja plicata
Tsuga heterophylla
Tsuga mertensiana
Shrubs
alder, Sitka
alder, thinleaf
azalea, mock
bearberry
bilberry, dwarf
birch, bog
birch, swamp
bittercherry
blueberry, thin-leaf
boxwood, myrtle
buckthorn
buffaloberry
cascara
ceanothus, evergreen
ceanothus, redstem
ceanothus, shinyleaf
chittam bark
chokecherry, common
currant, prickly
currant, sticky
currant, swamp
devil's club
dogwood, red-osier
elderberry
elderberry, blue
grouseberry
hawthorn, black
honeysuckle, Utah
huckleberry, big
huckleberry, blue
huckleberry, dwarf
huckleberry, fool's
huckleberry, globe
kinnikinnick
Labrador tea
maple, Douglas
maple, Rocky Mountain
mockorange
mountain-ash
mountain-ash, Sitka
mountain-heath, pink
mountain-heather, red
mountain lover
ninebark
ocean-spray
Oregon grape, creeping
Oregon grape, tall
pachistima
pipsissewa, little
pipsissewa, western
prince's pine
prince's pine, Menzies'
rhododendron, white
rose, baldhip
rose, nootka
rose, pearhip
rose, wild
savory
serviceberry
snowberry, common
snowberry, creeping
snowbush
soapberry
spiraea
strawberry bramble
syringa
thimbleberry, western
twinflower
whortleberry, grouse
willow, scouler
wintergreen, Oregon
wintergreen, slender
wintergreen, western
yerba buena
Shrubs
Acer glabrum
Alnus incana
Alnus sinuata
Amelanchier alnifolia
Arctostaphylos uva-ursi
Berberis aquifolium
Berberis repens
Betula glandulosa
Ceanothus sanguineus
Ceanothus velutinus
Chimaphila menziesii
Chimaphila umbellata
Cornus stolonifera
Crataegus douglasii
Gaultheria humifusa
Gaultheria ovatifolia
Holodiscus discolor
Ledum glandulosum
Linnaea borealis
Lonicera utahensis
Menziesia ferruginea
Oplopanax horridum
Pachistima myrsinites
Philadelphus lewisii
Phyllodoce empetriformis
Physocarpus malvaceus
Prunus emarginata
Prunus virginiana
Rhamnus purshiana
Rhamnus alnifolia
Rhododendron albiflorum
Ribes lacustre
Ribes viscosissimum
Rosa gymnocarpa
Rosa nutkana
Rosa woodsii
Rubus parviflorus
Rubus pedatus
Salix scouleriana
Sambucus cerulea
Sambucus racemosa
Satureja douglasii
Shepherdia canadensis
Sorbus scopulina
Sorbus sitchensis
Spiraea betulifolia
Symphoricarpos albus
Symphoricarpos mollis
Vaccinium caespitosum
Vaccinium globulare
Vaccinium membranaceum
Vaccinium myrtillus
Vaccinium scoparium
Ferns & Friends
bladderfern, brittle
club-moss, stiff
fern, bracken
fern, Christmas
fern, grape
fern, maidenhair
fern, male
horsetail, common
horsetail, field
ladyfern
moonwort
oak-fern
swordfern, western
woodsia
woodfern, mountain
woodfern, spreading
Ferns & Friends
Adiantum pedatum
Athyrium filix-femina
Botrychium virginianum
Cystopteris fragilis
Dryopteris austriaca
Dryopteris filix-mas
Equisetum arvense
Gymnocarpium dryopteris
Lycopodium annotinum L.
Polystichum munitum
Pteridium aquilinum
Woodsia oregana
Forbs
anemone
angelica, Lyall's
angelica, sharptooth
alumroot, lava
alumroot, roundleaf
arnica, broadleaf
arnica, heartleaf
arnica, mountain
aster, showy
balsamroot, arrowleaf
baneberry
beadlily, queen cup
beargrass
bedstraw, northern
bedstraw, sweetscented
bellflower, Scotch
bittercress, Constance's
bluebells, panicle
bluebells, tall
bride's bonnet
bugbane, false
buttercup, little
cinquefoil
cinquefoil, gland
cinquefoil, sticky
circaea, alpine
columbine, red
columbine, Sitka
columbine, yellow
coral root, large
coral root, Pacific
coral root, spotted
cow parsnip
daisy, subalpine
daisy, wandering
dogbane, flytrap
dogbane, spreading
dogwood, bunchberry
everlasting
everlasting, pearly
fairy-bell, Hooker
fairy-bell, Sierra
fairy-bell, wartberry
fairy slipper
false bugbane
false hellebore, green
false hellebore, American
false hellebore, California
false mitrewort
false Solomon's seal
foamflower, coolwort
fireweed
fleabane, wandering
frasera, clustered
geranium, sticky purple
ginger, wild
goatweed
golden pea, Montana
goldthread, western
groundsel, arrowleaf
hawkweed, western
hawkweed, white-flowered
heliotrope, mountain
hellebore, American false
hellebore, California false
hellebore, green false
Indian potato
Jacob's-ladder
kittentails, mountain
Klamath weed
lady's-thimble
licorice-root, Canby's
licorice-root, verticillate-umbel
lily, glacier
lily, pale fawn
lomatium, fern-leaved
lomatium, nine-leaved
lousewort, bracted
lousewort, leafy
lousewort, sickletop
marigold, twinflower marsh
marigold, white marsh
marsh marigold, twinflower
marsh marigold, white
meadowrue, Western
mitrewort, alpine
mitrewort, Brewer's
mitrewort, cross-shaped
mitrewort, false
mitrewort, five-stamened
mitrewort, side-flowered
monkshood
montia, broadleaved
nightshade, dwarf enchanter's
parsley, desert
parsnip, cow
pathfinder
pearly everlasting
peavine, Cusick's
phacelia, varileaf
phacelia, virgate
pinedrops
polemonium, skunk-leaved
pussy-toes
pyrola, alpine
rattlesnake-plantain
rein-orchid, Alaska
blooming Sally
sandwort, bigleaf
sarsparilla, wild
self-heal
shooting star, Jeffrey's
shooting star, tall mt.
sidebells
silene, Menzies'
sky pilot
Solomon's seal, false
Solomon-seal, starry
St. John's wort, common
starflower, western
stonecrop, wormleaf
strawberry
strawberry, woods
sweet-cicely, mountain
synthyris, evergreen
thermopsis, mountain
trail-plant
trillium, white
twayblade, northwestern
twayblade, western
twisted-stalk
valerian, Sitka
vetch, American
violet, dogtooth
violet, hook
violet, pioneer
violet, round-leaved
wake-robin, western
windflower
wintergreen, common pink
wintergreen, one-sided
yarrow, common
Forbs
Achillea millefolium
Aconitum columbianum
Actaea rubra
Adenocaulon bicolor
Anaphalis margaritacea
Anemone piperi
Angelica arguta
Antennaria racemosa
Apocynum androsaemifolium
Aquilegia formosa
Aquilegia flavescens
Aralia nudicaulis
Arenaria macrophylla
Arnica cordifolia
Arnica latifolia
Asarum caudatum
Aster conspicuus
Balsamorhiza sagittata
Caltha biflora
Calypso bulbosa
Campanula rotundifolia
Cardamine constancei
Circaea alpina
Clintonia uniflora
Coptis occidentalis
Corallorhiza maculata
Cornus canadensis
Disporum hookeri
Disporum trachycarpum
Dodecatheon jeffreyi
Epilobium angustifolium
Erigeron peregrinus
Erythronium grandiflorum
Fragaria vesca
Fragaria virginiana
Frasera fastigiata
Galium boreale
Galium triflorum
Geranium viscosissimum
Goodyera oblongifolia
Habenaria unalascensis
Heracleum lanatum
Heuchera cylindrica
Hieracium albertinum
Hieracium albiflorum
Hypericum perforatum
Lathyrus nevadensis
Ligusticum canbyi
Ligusticum verticillatum
Listera caurina
Lomatium dissectum
Lomatium triternatum
Mertensia paniculata
Mitella breweri
Mitella pentandra
Mitella stauropetala
Montia cordifolia
Osmorhiza chilensis
Pedicularis bracteosa
Pedicularis racemosa
Phacelia heterophylla
Polemonium pulcherrimum
Potentilla glandulosa
Potentilla gracilis
Prunella vulgaris
Pterospora andromedea
Pyrola asarifolia
Pyrola secunda
Ranunculus uncinatus
Sedum stenopetalum
Senecio triangularis
Silene menziesii
Smilacina racemosa
Smilacina stellata
Streptopus amplexifolius
Synthyris missurica
Synthyris platycarpa
Thalictrum occidentale
Thermopsis montana
Tiarella trifoliata
Trautvetteria caroliniensis
Trientalis latifolia
Trillium ovatum
Valeriana sitchensis
Veratrum californicum
Veratrum viride
Vicia americana
Viola adunca
Viola glabella
Viola orbiculata
Xerophyllum tenax
Graminoids
Ag spic
cheatgrass
bluegrass, Kentucky
brome, Columbia
brome, downy
fescue, Idaho
fescue, western
orchard grass
Junegrass
oniongrass, Alaska
pinegrass
reedgrass, bluejoint
sedge, elk
sedge, northwestern
sedge, Ross
timothy
trisetum, tall
wheatgrass, bluebunch
wildrye, blue
woodreed, drooping
woodrush, field
woodrush, millet
woodrush, smooth
Graminoids
Agropyron spicatum
Bromus tectorum
Bromus vulgaris
Calamagrostis canadensis
Calamagrostis rubescens
Carex concinnoides
Carex geyeri
Carex rossii
Cinna latifolia
Dactylis glomerata
Elymus glaucus
Elytrigia spicata
Festuca idahoensis
Festuca occidentalis
Koeleria nitida
Luzula campestris
Luzula hitchcockii
Luzula parviflora
Melica subulata
Phleum pratense
Poa pratensis
Trisetum canescens
Keys and Characteristics
Key to Native Trees and Tall Shrubs
Shrub characteristics
Key to Ferns and Friends
Forb characteristics
Graminoid characteristics
Conspectuses
Betula conspectus
Alnus conspectus
Ribes conspectus
Rosa conspectus
Rubus conspectus
Vaccinium conspectus
Corallorhiza conspectus
Liliaceae conspectus
Habenaria conspectus
Mitella conspectus
Pyrola conspectus
Viola conspectus
Carex conspectus
Luzula conspectus