Tetradymia canescens

DC.

Gray Horsebrush

G5Secure Found in 163 roadless areas NatureServe Explorer →
G5SecureGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.156363
Element CodePDAST95030
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicoccurs (regularly, as a native taxon) in multiple nations
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderAsterales
FamilyAsteraceae
GenusTetradymia
Other Common Names
Spineless Horsebrush (EN) spineless horsebrush (EN) Tétradymie blanchâtre (FR)
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 Date2016-07-25
Change Date1987-10-01
Ecology & Habitat
Other Nations (2)
CanadaN4
ProvinceRankNative
British ColumbiaS4Yes
United StatesNNR
ProvinceRankNative
MontanaS4Yes
New MexicoSNRYes
WyomingS5Yes
OregonSNRYes
ArizonaSNRYes
CaliforniaSNRYes
WashingtonSNRYes
IdahoSNRYes
NevadaS4Yes
ColoradoS4Yes
UtahSNRYes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (163)
Arizona (2)
AreaForestAcres
Burro CanyonKaibab National Forest19,928
Willis CanyonKaibab National Forest9,688
California (57)
AreaForestAcres
Benton RangeInyo National Forest9,637
Birch CreekInyo National Forest28,816
Black CanyonInyo National Forest32,421
Boundary Peak (CA)Inyo National Forest210,884
Callahan FlowModoc National Forest6,618
ChannellSequoia National Forest45,429
ChicoSequoia National Forest39,836
Chineese Camp (CA)Humboldt-Toiyabe National Forest4,339
Circle MountainSan Bernardino National Forest6,375
Coyote NorthInyo National Forest11,932
Coyote SoutheastInyo National Forest53,159
Cucamonga BSan Bernardino National Forest11,933
DardanellesEldorado National Forest8,110
Devil's Gate (CA)Humboldt-Toiyabe National Forest9,946
Dexter CanyonInyo National Forest17,053
Dobie FlatModoc National Forest15,079
Domeland Add.Sequoia National Forest3,046
Excelsior (CA)Inyo National Forest45,607
FalesHumboldt-Toiyabe National Forest9,138
Glass MountainInyo National Forest52,867
Granite PeakSan Bernardino National Forest450
Heartbreak RidgeSan Bernardino National Forest4,455
Hoover - Mt.olsenHumboldt-Toiyabe National Forest624
Hoover - NorthHumboldt-Toiyabe National Forest1,574
Hoover - Virginia LksHumboldt-Toiyabe National Forest5,050
Horse Mdw.Inyo National Forest5,687
HortonInyo National Forest5,717
Iceberg - Mill CreekHumboldt-Toiyabe National Forest26,988
LavasModoc National Forest25,864
Log Cabin SaddlebagInyo National Forest15,165
Mono CratersInyo National Forest7,115
Mt. JacksonHumboldt-Toiyabe National Forest20,721
Mt. BidwellModoc National Forest11,687
Mt. OlsenInyo National Forest2,161
Mystic (CA)Humboldt-Toiyabe National Forest836
Nevahbe RidgeInyo National Forest302
North LakeInyo National Forest2,406
PaiuteInyo National Forest58,712
Raywood Flat BSan Bernardino National Forest11,373
RinconSequoia National Forest54,610
Rock Creek WestInyo National Forest3,626
Sheep MountainAngeles National Forest21,098
SherwinInyo National Forest3,140
Silver HillHumboldt-Toiyabe National Forest4,423
SinkardHumboldt-Toiyabe National Forest2,004
South SierraSequoia National Forest8,008
South SierraInyo National Forest41,853
SugarloafSan Bernardino National Forest8,206
Sweetwater (CA)Humboldt-Toiyabe National Forest19,241
Table Mtn.Inyo National Forest4,215
Timbered CraterLassen National Forest4,096
TinemahaInyo National Forest27,060
Wheeler RidgeInyo National Forest15,744
Wild Horse Mtn. (CA)Humboldt-Toiyabe National Forest28,822
Wonoga Pk.Inyo National Forest11,272
WoodpeckerSequoia National Forest11,936
WoolstaffSequoia National Forest41,445
Colorado (2)
AreaForestAcres
Bristol HeadRio Grande NF46,087
Dome PeakRoutt NF35,716
Idaho (4)
AreaForestAcres
Borah PeakSalmon-Challis National Forest130,463
Italian PeakCaribou-Targhee National Forest141,158
Pioneer MountainsSalmon-Challis National Forest172,460
Pioneer MountainsSawtooth National Forest119,563
Montana (5)
AreaForestAcres
Freezeout MountainBeaverhead-Deerlodge National Forest97,305
Garfield MountainBeaverhead-Deerlodge National Forest41,891
Italian PeakBeaverhead-Deerlodge National Forest90,401
Snowcrest MountainBeaverhead-Deerlodge National Forest97,649
West Big HoleBeaverhead-Deerlodge National Forest133,563
Nevada (50)
AreaForestAcres
Angel Peak NorthHumboldt-Toiyabe National Forest12,577
Arc Dome - Secret BsnHumboldt-Toiyabe National Forest74,782
Aurora CraterHumboldt-Toiyabe National Forest5,689
Bald Mtn.Humboldt-Toiyabe National Forest41,598
Black SpringHumboldt-Toiyabe National Forest11,016
Bunker HillHumboldt-Toiyabe National Forest27,569
Charleston - Macks CynHumboldt-Toiyabe National Forest11,378
Currant - East SlopeHumboldt-Toiyabe National Forest10,101
Duck Creek Mtns.Humboldt-Toiyabe National Forest12,165
Fourmile HillHumboldt-Toiyabe National Forest15,718
Georges CanyonHumboldt-Toiyabe National Forest108,551
Grant - Lower ScofieldHumboldt-Toiyabe National Forest5,816
Grant - ScofieldHumboldt-Toiyabe National Forest3,265
Humboldt - LizziesHumboldt-Toiyabe National Forest70
Humboldt - WinchellHumboldt-Toiyabe National Forest1,272
Iron SpringHumboldt-Toiyabe National Forest36,737
Larken LakeHumboldt-Toiyabe National Forest4,159
Long ValleyHumboldt-Toiyabe National Forest50,472
Lovell Summit SouthHumboldt-Toiyabe National Forest28,455
Mt. HicksHumboldt-Toiyabe National Forest15,698
Mystic (NV)Humboldt-Toiyabe National Forest5,644
North SchellHumboldt-Toiyabe National Forest30,773
Pearl PeakHumboldt-Toiyabe National Forest71,405
Pine Grove SouthHumboldt-Toiyabe National Forest88,945
QuinnHumboldt-Toiyabe National Forest62,459
Red MountainHumboldt-Toiyabe National Forest30,242
Rock CanyonHumboldt-Toiyabe National Forest31,552
Rose - Alum CreekHumboldt-Toiyabe National Forest853
Rose - Big MeadowsHumboldt-Toiyabe National Forest311
Rose - Davis Mdw.Humboldt-Toiyabe National Forest2,361
Rose - EvansHumboldt-Toiyabe National Forest4,782
Rose - GalenaHumboldt-Toiyabe National Forest3,711
Rose - Whites CanyonHumboldt-Toiyabe National Forest2,568
Ruby - MarshHumboldt-Toiyabe National Forest10,164
Ruby - SegundaHumboldt-Toiyabe National Forest12,532
Ruby - SouthHumboldt-Toiyabe National Forest13,195
Sam's CanyonHumboldt-Toiyabe National Forest11,869
Snake - ChokecherryHumboldt-Toiyabe National Forest30,845
Snake - MurphyHumboldt-Toiyabe National Forest27,064
Snake - Peacock CynHumboldt-Toiyabe National Forest1,069
South SchellHumboldt-Toiyabe National Forest125,614
SugarloafInyo National Forest11,534
Sweetwater (NV)Humboldt-Toiyabe National Forest5,946
Table Mtn. - Barley Ck.Humboldt-Toiyabe National Forest5,424
Table Mtn. - EastHumboldt-Toiyabe National Forest87,789
Toiyabe RangeHumboldt-Toiyabe National Forest99,225
Ward MountainHumboldt-Toiyabe National Forest15,927
West SchellHumboldt-Toiyabe National Forest21,656
White Rock MtnHumboldt-Toiyabe National Forest24,917
WilhoitesHumboldt-Toiyabe National Forest11,297
New Mexico (3)
AreaForestAcres
GuadalupeCibola National Forest13,619
Madre MountainCibola National Forest19,839
Virgin CanyonSanta Fe National Forest6,068
Utah (30)
AreaForestAcres
418002Uinta National Forest19,152
418017Uinta National Forest19,631
418022Uinta National Forest17,289
418027Uinta National Forest13,884
418029Uinta National Forest15,673
AtchinsonDixie National Forest17,655
Boulder Mtn. / Boulder Top / Deer LakeDixie National Forest110,690
Box - Death HollowDixie National Forest3,175
Clarkston Mtn.Caribou National Forest7,099
Clear CreekSawtooth National Forest7,188
FishhookDixie National Forest12,959
Happy ValleyDixie National Forest14,458
Lava BedsDixie National Forest14,944
Long Neck Mesa / Steep Creek / Oak Creek - Steep Creek / OakDixie National Forest55,489
Lookout PeakFishlake National Forest9,195
MogotsuDixie National Forest16,762
Mt. Johns Peak - Mt AliceFishlake National Forest12,469
Muddy Creek - Nelson Mt.Manti-Lasal National Forest59,034
North PavantFishlake National Forest53,262
Oak CreekFishlake National Forest54,053
Raft RiverSawtooth National Forest23,969
Red Canyon NorthDixie National Forest9,973
Shakespeare PointDixie National Forest753
Solomon BasinFishlake National Forest19,963
South RimDixie National Forest1,372
Stansbury MountainsWasatch-Cache National Forest39,696
Table Cliffs - Henderson CanyonDixie National Forest19,581
Temple PeakWasatch-Cache National Forest24,081
Thousand Lake MountainFishlake National Forest27,267
White MountainFishlake National Forest23,939
Wyoming (10)
AreaForestAcres
Grayback RidgeBridger-Teton National Forest295,113
Gros Ventre MountainsBridger-Teton National Forest106,418
Middle ForkMedicine Bow-Routt National Forest13,238
Monument RidgeBridger-Teton National Forest17,720
Pacific Creek - Blackrock CreekBridger-Teton National Forest24,658
Sheep MountainMedicine Bow-Routt National Forest17,626
Spread Creek - Gros Ventre RiverBridger-Teton National Forest166,097
Telephone DrawShoshone National Forest21,122
Wapiti Valley SouthShoshone National Forest43,517
West Slope WindsBridger-Teton National Forest143,252
References (2)
  1. Flora of North America Editorial Committee (FNA). 2006b. Flora of North America north of Mexico. Vol. 20. Magnoliophyta: Asteridae, part 7: Asteraceae, part 2. Oxford Univ. Press, New York. xxii + 666 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.