Roadless Areas
Home/Species/ Western Hemlock

Tsuga heterophylla

(Raf.) Sarg.

Western Hemlock

G5Secure Found in 207 roadless areas NatureServe Explorer →
G5SecureGlobal Rank
Least concernIUCN
Identity
Unique IDELEMENT_GLOBAL.2.140839
Element CodePGPIN06030
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
IUCNLeast concern
Endemicoccurs (regularly, as a native taxon) in multiple nations
KingdomPlantae
PhylumConiferophyta
ClassPinopsida
OrderPinales
FamilyPinaceae
GenusTsuga
Other Common Names
Pruche de l'Ouest (FR) western hemlock (EN)
Concept Reference
Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Conservation Status
Rank MethodExpertise without calculation
Review Date2016-02-04
Change Date1987-10-01
Ecology & Habitat
Other Nations (2)
United StatesN5
ProvinceRankNative
OregonS5Yes
AlaskaSNRYes
MontanaS4Yes
CaliforniaSNRYes
WashingtonSNRYes
IdahoSNRYes
CanadaN5
ProvinceRankNative
AlbertaS1Yes
British ColumbiaS5Yes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (207)
Alaska (66)
AreaForestAcres
AnanTongass National Forest36,666
Bay of PillarsTongass National Forest27,492
Behm IslandsTongass National Forest4,777
Bering LakeChugach National Forest965,076
ChichagofTongass National Forest555,858
Chilkat-West Lynn CanalTongass National Forest199,772
Chugach-12Chugach National Forest8,116
Chugach-13Chugach National Forest13,337
ClevelandTongass National Forest189,447
College FiordChugach National Forest1,130,818
Copper River WetlandsChugach National Forest85,972
Dall IslandTongass National Forest105,780
Douglas IslandTongass National Forest28,065
El CapitanTongass National Forest26,693
EudoraTongass National Forest195,022
FanshawTongass National Forest48,248
Fidalgo-GravinaChugach National Forest257,968
Five MileTongass National Forest19,459
Freshwater BayTongass National Forest44,933
Game CreekTongass National Forest54,469
GravinaTongass National Forest37,381
Green RocksTongass National Forest11,093
HardingTongass National Forest174,349
Hoonah SoundTongass National Forest79,764
HyderTongass National Forest121,723
Juneau UrbanTongass National Forest101,581
Juneau-Skagway IcefieldTongass National Forest1,187,268
KartaTongass National Forest52,117
KekuTongass National Forest10,869
KogishTongass National Forest65,216
KosciuskoTongass National Forest64,134
LindenbergTongass National Forest25,855
MadanTongass National Forest68,553
Mansfield PeninsulaTongass National Forest54,991
McKenzieTongass National Forest83,103
Middle KruzofTongass National Forest14,724
MontagueChugach National Forest204,875
Nellie JuanChugach National Forest713,697
North BaranofTongass National Forest314,089
North ClevelandTongass National Forest105,288
North EtolinTongass National Forest40,993
North KruzofTongass National Forest33,146
North KupreanofTongass National Forest114,660
North RevillaTongass National Forest215,430
North WrangellTongass National Forest8,091
Port AlexanderTongass National Forest120,681
Prince William Sound Is.Chugach National Forest118,698
QuartzTongass National Forest143,003
RedoubtTongass National Forest68,347
RevillaTongass National Forest29,298
RhineTongass National Forest23,010
Salmon BayTongass National Forest22,793
Sheridan GlacierChugach National Forest224,683
Sitka SoundTongass National Forest13,459
Sitka UrbanTongass National Forest112,003
South KruzofTongass National Forest55,193
South RevillaTongass National Forest52,105
SukkwanTongass National Forest44,369
Taku-SnettishamTongass National Forest664,928
Tenakee RidgeTongass National Forest20,527
Thorne RiverTongass National Forest72,983
TwelvemileTongass National Forest37,940
Upper SitukTongass National Forest16,789
West WrangellTongass National Forest10,291
Windham-Port HoughtonTongass National Forest161,952
Yakutat ForelandsTongass National Forest323,648
California (3)
AreaForestAcres
Blue Creek Rare ISix Rivers National Forest12,134
SiskiyouKlamath National Forest54,039
Siskiyou BSix Rivers National Forest18,871
Idaho (2)
AreaForestAcres
Bear CreekCaribou-Targhee National Forest118,582
HoodooNez Perce-Clearwater National Forest153,868
Montana (19)
AreaForestAcres
Allen Peak #185Kootenai National Forest29,638
Berray Mountain #672Kootenai National Forest9,119
Bmss Ra 1485Flathead National Forest334,275
Buckhorn Ridge (MT)Kootenai National Forest34,716
Cabinet Face East #671Kootenai National Forest50,326
CataractKootenai National Forest25,446
Evans GulchLolo National Forest8,059
Galena #677Kootenai National Forest19,300
Gold Hill West #176Kootenai National Forest15,079
Government Mountain #673Kootenai National Forest10,090
Grizzly Peak #667Kootenai National Forest7,441
Huckleberry Mountain #699Kootenai National Forest8,965
Lebeau #507Kootenai National Forest1,259
Mckay Creek #676Kootenai National Forest15,323
Mt. BushnellLolo National Forest41,798
Roderick #684Kootenai National Forest29,677
Scotchman Peaks (MT)Kootenai National Forest53,909
West Fork Yaak #694Kootenai National Forest8,237
Willard Estelle #173Kootenai National Forest3,714
Oregon (53)
AreaForestAcres
Badger CreekMt. Hood National Forest847
Bull Of The WoodsWillamette National Forest53
Bull Of The WoodsMt. Hood National Forest8,843
Bulldog RockWillamette National Forest559
Bulldog RockUmpqua National Forest6,056
Calf - Copeland CreekUmpqua National Forest15,696
Castle Rock AppendageUmpqua National Forest4,649
Chucksney MountainWillamette National Forest15,369
Cougar BluffUmpqua National Forest5,574
Drift CreekSiuslaw National Forest6,333
EagleMt. Hood National Forest16,841
Echo MountainWillamette National Forest8,098
ElkhornWillamette National Forest9,380
FairviewUmpqua National Forest7,417
French Pete (a)Willamette National Forest1,668
French Pete (b)Willamette National Forest1,186
Gold CreekWillamette National Forest1,364
Gordon MeadowsWillamette National Forest9,463
Hardesty MountainWillamette National Forest3,754
Hardesty MountainUmpqua National Forest2,597
Hebo 1aSiuslaw National Forest13,930
Jackson Creek AppendageUmpqua National Forest4,673
LakeMt. Hood National Forest1,327
LarchMt. Hood National Forest12,961
Limpy RockUmpqua National Forest6,782
Maiden PeakWillamette National Forest9,627
Maiden PeakDeschutes National Forest26,432
Mclennon MountainWillamette National Forest8,085
Medicine Creek AppendageUmpqua National Forest745
Menagerie (rooster Rock)Willamette National Forest374
Middle SantiamWillamette National Forest7,316
Moose LakeWillamette National Forest5,013
Mt. BaileyUmpqua National Forest18,401
Mt. HagenWillamette National Forest6,406
Mt. Hood AdditionsMt. Hood National Forest13,061
OlallieMt. Hood National Forest7,607
Opal CreekWillamette National Forest5,417
Roaring RiverMt. Hood National Forest27,316
Roaring RiverWillamette National Forest2,128
Salmon - HuckleberryMt. Hood National Forest17,570
SherwoodUmpqua National Forest2,449
Smith UmpquaSiuslaw National Forest7,622
TahkenitchSiuslaw National Forest5,799
TenmileSiuslaw National Forest10,818
Twin LakesMt. Hood National Forest6,055
Umpqua SpitSiuslaw National Forest2,090
Waldo - FujiWillamette National Forest15,273
Waldo - LakeWillamette National Forest2,993
Waldo - MoolackWillamette National Forest1,183
Waldo - Salmon CreekWillamette National Forest3,195
Williams CreekUmpqua National Forest5,844
Wind CreekMt. Hood National Forest5,438
WoahinkSiuslaw National Forest5,309
Texas (1)
AreaForestAcres
Big CreekNational Forests in Texas1,447
Washington (63)
AreaForestAcres
Abercrombie - HooknoseColville National Forest33,862
Alpine Lakes Adj.Wenatchee National Forest57,104
BackboneGifford Pinchot National Forest1,201
Bear CreekGifford Pinchot National Forest7,980
Big Lava BedGifford Pinchot National Forest19,043
Blue LakeGifford Pinchot National Forest11,359
Boulder RiverMt Baker-Snoqualmie National Forest32,563
BourbonGifford Pinchot National Forest4,512
Canyon CreekWenatchee National Forest7,983
Carlton RidgeGifford Pinchot National Forest2,190
ChambersGifford Pinchot National Forest2,006
ChelanWenatchee National Forest74,650
CortrightGifford Pinchot National Forest3,462
Dark DivideGifford Pinchot National Forest52,483
Deer CreekGifford Pinchot National Forest882
Dixon MountainGifford Pinchot National Forest6,339
Eagle RockMt Baker-Snoqualmie National Forest34,064
Glacier Peak BMt Baker-Snoqualmie National Forest19,328
Glacier Peak IMt Baker-Snoqualmie National Forest15,175
Glacier Peak JMt Baker-Snoqualmie National Forest26,482
Glacier Peak KMt Baker-Snoqualmie National Forest47,269
Glacier Peak LMt Baker-Snoqualmie National Forest14,084
Goat Rocks AdjWenatchee National Forest6,108
Grassy TopColville National Forest10,302
Grassy TopIdaho Panhandle National Forests13,485
Green MountainOlympic National Forest4,617
Harvey CreekColville National Forest10,140
Heather LakeWenatchee National Forest10,628
Higgins MountainMt Baker-Snoqualmie National Forest13,185
HorseshoeGifford Pinchot National Forest7,579
Jefferson RidgeOlympic National Forest6,512
Jupiter RidgeOlympic National Forest10,148
Liberty BellOkanogan National Forest108,495
LightningOlympic National Forest7,179
Madison CreekOlympic National Forest1,223
ManastashWenatchee National Forest11,155
Mt. Baker MaMt Baker-Snoqualmie National Forest24,847
Mt. Baker Noisy - DiobsudMt Baker-Snoqualmie National Forest56,039
Mt. Baker NorthMt Baker-Snoqualmie National Forest16,873
Mt. Baker WestMt Baker-Snoqualmie National Forest25,390
Mt. BaldyOlympic National Forest3,557
Mt. ZionOlympic National Forest3,544
Nason RidgeWenatchee National Forest19,329
Norse PeakWenatchee National Forest10,169
Pasayten RimOkanogan National Forest17,074
PompeyGifford Pinchot National Forest23,985
PressentinMt Baker-Snoqualmie National Forest14,545
QuilceneOlympic National Forest18,656
Red MountainGifford Pinchot National Forest2,992
Rock CreekWenatchee National Forest32,239
Salmo - Priest BColville National Forest11,869
SawtoothOkanogan National Forest122,194
SiouxonGifford Pinchot National Forest12,773
South MidwayGifford Pinchot National Forest2,384
South QuinaultOlympic National Forest11,081
StrawberryGifford Pinchot National Forest5,244
TaneumWenatchee National Forest26,140
TeanawayWenatchee National Forest72,849
Thorp Mtn.Wenatchee National Forest22,717
TumwaterGifford Pinchot National Forest8,676
Twin LakesWenatchee National Forest22,496
Upper SkokomishOlympic National Forest9,311
West AdamsGifford Pinchot National Forest2,238
References (3)
  1. Flora of North America Editorial Committee (FNA). 1993a. Flora of North America north of Mexico. Vol. 2. Pteridophytes and gymnosperms. Oxford Univ. Press, New York. xvi + 475 pp.
  2. Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
  3. Little, E.L., Jr. 1979. Checklist of United States trees (native and naturalized). Agriculture Handbook No. 541. U.S. Forest Service, Washington, D.C. 375 pp.