Asclepias speciosa

Torr.

Showy Milkweed

G5Secure Found in 312 roadless areas NatureServe Explorer →
G5SecureGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.128047
Element CodePDASC021S0
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderGentianales
FamilyApocynaceae
GenusAsclepias
Other Common Names
Belle asclépiade (FR) showy milkweed (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 Date2016-05-16
Change Date1988-05-13
Edition Date2003-02-28
Edition AuthorsFellows, M.
Rank Reasons
Element found throughout the Great Plains on sandy, loamy, or rocky soils in flood plains, abundance unknown.
Ecology & Habitat
Other Nations (2)
United StatesNNR
ProvinceRankNative
MontanaS5Yes
IdahoSNRYes
NebraskaSNRYes
IllinoisSNRYes
ColoradoS5Yes
ArizonaSNRYes
North DakotaSNRYes
South DakotaSNRYes
IowaS3Yes
OregonSNRYes
TexasSNRYes
WashingtonSNRYes
KansasS5Yes
MichiganSNANo
New MexicoSNRYes
NevadaS4Yes
CaliforniaSNRYes
MinnesotaSNRYes
UtahSNRYes
WisconsinSNRYes
WyomingS5Yes
OklahomaSNRYes
CanadaN5
ProvinceRankNative
SaskatchewanS4Yes
AlbertaS3Yes
ManitobaS4Yes
British ColumbiaS5Yes
Plant Characteristics
Economic Value (Genus)Yes
Roadless Areas (312)
Arizona (3)
AreaForestAcres
Big RidgeKaibab National Forest9,087
Campbell BlueApache-Sitgreaves National Forests7,003
Red PointKaibab National Forest7,139
California (77)
AreaForestAcres
AgnewSequoia National Forest9,561
Bald MountainTahoe National Forest5,832
Bald RockPlumas National Forest4,675
Barney RileyHumboldt-Toiyabe National Forest8,083
Big Butte ShinboneMendocino National Forest4,265
Big Butte ShinboneSix Rivers National Forest1,102
BlackKlamath National Forest6,530
Black ButteMendocino National Forest15,461
Bonanza KingShasta-Trinity National Forest16,402
Boundary Peak (CA)Inyo National Forest210,884
Butt Mtn.Lassen National Forest8,217
Carson - IcebergStanislaus National Forest56,430
Castle Crags AShasta-Trinity National Forest113
Castle Crags BShasta-Trinity National Forest1,619
ChanchelullaShasta-Trinity National Forest3,915
Cow CreekShasta-Trinity National Forest22,627
Coyote SoutheastInyo National Forest53,159
Cub CreekLassen National Forest8,643
Devil GulchSierra National Forest30,490
Devil's Gate (CA)Humboldt-Toiyabe National Forest9,946
EagleShasta-Trinity National Forest6,553
EagleStanislaus National Forest16,116
Granite ChiefTahoe National Forest6,546
GrindstoneMendocino National Forest26,031
Grizzly PeakPlumas National Forest6,222
Grouse LakesTahoe National Forest19,085
Heart LakeLassen National Forest9,349
Hoover - NorthHumboldt-Toiyabe National Forest1,574
HortonInyo National Forest5,717
Iceberg - Mill CreekHumboldt-Toiyabe National Forest26,988
IshiLassen National Forest21,805
Kings RiverSierra National Forest52,999
Lake EleanorShasta-Trinity National Forest397
Little French CShasta-Trinity National Forest11,529
Middle ForkPlumas National Forest29,278
Mill CreekLassen National Forest7,587
MonarchSierra National Forest697
Mt. JacksonHumboldt-Toiyabe National Forest20,721
Mt. RebaStanislaus National Forest3,869
Mt. Shasta BShasta-Trinity National Forest2,809
Mystic (CA)Humboldt-Toiyabe National Forest836
North Fork American RiverTahoe National Forest38,495
North Fork Middle Fork American RiverTahoe National Forest11,245
North MountainStanislaus National Forest7,856
Orleans Mtn.Klamath National Forest49,090
Orleans Mtn. BSix Rivers National Forest17,183
Orleans Mtn. CSix Rivers National Forest15,589
PaiuteInyo National Forest58,712
PantherShasta-Trinity National Forest12,016
PattisonShasta-Trinity National Forest29,299
PortugueseKlamath National Forest18,915
PyramidEldorado National Forest24,347
Raymond PeakStanislaus National Forest3,646
Reister CanyonMendocino National Forest5,897
Robinson PeakHumboldt-Toiyabe National Forest5,835
Rock Creek WestInyo National Forest3,626
RussianKlamath National Forest21,771
Salt GulchShasta-Trinity National Forest6,511
Salt SpringsEldorado National Forest133
San JoaquinSierra National Forest22,474
Silver HillHumboldt-Toiyabe National Forest4,423
SinkardHumboldt-Toiyabe National Forest2,004
Skeleton GladeMendocino National Forest9,237
Snow MountainMendocino National Forest14,457
Soldier CanyonInyo National Forest40,589
South SierraInyo National Forest41,853
South SierraSequoia National Forest8,008
Timbered CraterLassen National Forest4,096
Tom MartinKlamath National Forest9,031
UnderwoodSix Rivers National Forest6,591
UnderwoodShasta-Trinity National Forest3,046
West GirardShasta-Trinity National Forest37,516
Wheeler RidgeInyo National Forest15,744
Wild Horse Mtn. (CA)Humboldt-Toiyabe National Forest28,822
Wilderness ContiguousMendocino National Forest3,606
Wonoga Pk.Inyo National Forest11,272
WoodpeckerSequoia National Forest11,936
Colorado (4)
AreaForestAcres
Comanche Peak Adjacent AreaArapaho & Roosevelt NFs44,158
Dome PeakRoutt NF35,716
HermosaSan Juan NF148,103
Long ParkRoutt NF42,100
Idaho (8)
AreaForestAcres
Bear CreekCaribou-Targhee National Forest118,582
HoodooNez Perce-Clearwater National Forest153,868
Italian PeakCaribou-Targhee National Forest141,158
Lemhi RangeSalmon-Challis National Forest308,533
NeedlesPayette National Forest131,279
PalisadesCaribou-Targhee National Forest122,002
Pioneer MountainsSalmon-Challis National Forest172,460
Pioneer MountainsSawtooth National Forest119,563
Montana (26)
AreaForestAcres
Allan Mountain (01946)Bitterroot National Forest104,184
Bear - Marshall - Scapegoat - SwanLewis and Clark National Forest344,022
Bear - Marshall - Scapegoat - SwanLolo National Forest118,485
Big Snowy Mountains WsaLewis and Clark National Forest88,003
Bmss Ra 1485Flathead National Forest334,275
Buckhorn Ridge (MT)Kootenai National Forest34,716
Cabinet Face East #671Kootenai National Forest50,326
Cube Iron - SilcoxLolo National Forest36,998
Gallatin FringeGallatin National Forest51,571
HoodooLolo National Forest105,162
LionheadGallatin National Forest33,549
Marble PointLolo National Forest12,581
Middle Fork Judith WsaLewis and Clark National Forest81,131
Middle Mtn. / Tobacco RootsBeaverhead-Deerlodge National Forest96,487
Mt. Gmt Area HCuster National Forest1,335
North AbsarokaCuster National Forest21,063
North AbsarokaGallatin National Forest159,075
North SiegelLolo National Forest9,208
Patricks Knob - North CutoffLolo National Forest16,970
Scotchman Peaks (MT)Kootenai National Forest53,909
Selway - Bitterroot (01067)Bitterroot National Forest114,953
Sheep Mountain - StatelineLolo National Forest37,844
South Siegel - South CutoffLolo National Forest13,474
Stony MountainBitterroot National Forest44,057
Tenderfoot - Deep CreekLewis and Clark National Forest85,614
West Big HoleBeaverhead-Deerlodge National Forest133,563
Nevada (37)
AreaForestAcres
Bald Mtn.Humboldt-Toiyabe National Forest41,598
Blade CreekHumboldt-Toiyabe National Forest6,331
Boundary Peak (NV)Inyo National Forest21,851
Bunker HillHumboldt-Toiyabe National Forest27,569
ButtermilkHumboldt-Toiyabe National Forest19,373
CooperHumboldt-Toiyabe National Forest9,889
Currant - East SlopeHumboldt-Toiyabe National Forest10,101
Four MileHumboldt-Toiyabe National Forest24,093
Fourmile HillHumboldt-Toiyabe National Forest15,718
Jobs Peak (NV)Humboldt-Toiyabe National Forest1,342
Mystic (NV)Humboldt-Toiyabe National Forest5,644
Pearl PeakHumboldt-Toiyabe National Forest71,405
Pine Grove SouthHumboldt-Toiyabe National Forest88,945
Red MountainHumboldt-Toiyabe National Forest30,242
Rose - Alum CreekHumboldt-Toiyabe National Forest853
Rose - Big MeadowsHumboldt-Toiyabe National Forest311
Rose - Davis Mdw.Humboldt-Toiyabe National Forest2,361
Rose - Dutch LouieHumboldt-Toiyabe National Forest363
Rose - EvansHumboldt-Toiyabe National Forest4,782
Rose - Hunter EastHumboldt-Toiyabe National Forest54
Rose - Hunter Lk NoHumboldt-Toiyabe National Forest149
Rose - Hunter WestHumboldt-Toiyabe National Forest80
Rose - North NotchHumboldt-Toiyabe National Forest141
Rose - NortheastHumboldt-Toiyabe National Forest550
Rose - VerdiHumboldt-Toiyabe National Forest1,155
Rose - Whites CanyonHumboldt-Toiyabe National Forest2,568
Ruby - Lamoille CynHumboldt-Toiyabe National Forest32,771
Santa RosaHumboldt-Toiyabe National Forest54,555
Snake - Big WashHumboldt-Toiyabe National Forest4,146
Snake - Pole CkHumboldt-Toiyabe National Forest79
South SchellHumboldt-Toiyabe National Forest125,614
South Shoshone PeakHumboldt-Toiyabe National Forest24,528
Table Mtn. - EastHumboldt-Toiyabe National Forest87,789
Toiyabe RangeHumboldt-Toiyabe National Forest99,225
Wellington HillsHumboldt-Toiyabe National Forest21,009
WileyHumboldt-Toiyabe National Forest6,864
WilhoitesHumboldt-Toiyabe National Forest11,297
New Mexico (16)
AreaForestAcres
Arroyo de los FrijolesSanta Fe National Forest5,277
Black CanyonSanta Fe National Forest1,922
Chama WS RiverSanta Fe National Forest4,168
Chama WildernessSanta Fe National Forest1,295
Columbine - Hondo Wilderness Study AreaCarson National Forest43,739
Comales CanyonCarson National Forest4,389
El InviernoSanta Fe National Forest29,927
Grass MountainSanta Fe National Forest3,254
Holy GhostSanta Fe National Forest2,352
Jacks CreekSanta Fe National Forest740
Juan de Gabaldon GrantSanta Fe National Forest8,023
LemitasSanta Fe National Forest8,129
PecosCarson National Forest13,436
Pecos WS RiverSanta Fe National Forest5,396
Sierra Negra Rare II Study AreaCarson National Forest9,470
Thompson PeakSanta Fe National Forest33,001
North Dakota (6)
AreaForestAcres
Bullion ButteDakota Prairie Grasslands19,877
Collar / Bennett - CottonwoodDakota Prairie Grasslands19,697
DurlerDakota Prairie Grasslands12,464
Long X DivideDakota Prairie Grasslands10,099
MagpieDakota Prairie Grasslands21,281
SheyenneDakota Prairie Grasslands14,537
Oregon (21)
AreaForestAcres
Brattain ButteFremont National Forest5,959
BuckhornWallowa-Whitman National Forest17,180
Cook RidgeWallowa-Whitman National Forest19,617
Grande RondeUmatilla National Forest12,296
Grande RondeWallowa-Whitman National Forest5,650
HellholeUmatilla National Forest65,679
HomesteadWallowa-Whitman National Forest5,817
Hurricane CreekWallowa-Whitman National Forest1,606
Imnaha FaceWallowa-Whitman National Forest29,575
Lord Flat Somers PointWallowa-Whitman National Forest67,738
Mill Creek Watershed (OR)Umatilla National Forest7,820
Mountain SheepWallowa-Whitman National Forest19,457
Mt. HagenWillamette National Forest6,406
North KalmiopsisSiskiyou National Forests91,560
Shasta CostaSiskiyou National Forests14,420
Sheep DivideWallowa-Whitman National Forest16,201
Sky Lakes AWinema National Forest3,940
Snake RiverWallowa-Whitman National Forest31,229
South KalmiopsisSiskiyou National Forests104,477
Upper Catherine CreekWallowa-Whitman National Forest6,446
Walla Walla RiverUmatilla National Forest34,416
South Dakota (1)
AreaForestAcres
Indian CreekBuffalo Gap National Grassland24,666
Texas (1)
AreaForestAcres
Big CreekNational Forests in Texas1,447
Utah (81)
AreaForestAcres
0401001Ashley National Forest11,705
0401002Ashley National Forest36,113
0401005Ashley National Forest38,930
0401023Ashley National Forest8,352
0401024Ashley National Forest12,882
0401027Ashley National Forest7,312
0401030Ashley National Forest531
0401031Ashley National Forest7,110
0401032Ashley National Forest6,471
0401037Ashley National Forest1,166
0419020Ashley National Forest355,684
418006Uinta National Forest11,714
418007Uinta National Forest6,816
418012Uinta National Forest25,758
418013Uinta National Forest14,643
418014Uinta National Forest9,683
418015Uinta National Forest17,289
418016Uinta National Forest35,240
418017Uinta National Forest19,631
418018Uinta National Forest11,218
418019Uinta National Forest6,854
418024Uinta National Forest51,699
418025Uinta National Forest32,698
418027Uinta National Forest13,884
418029Uinta National Forest15,673
418040Uinta National Forest1,702
418043Uinta National Forest9,493
AtchinsonDixie National Forest17,655
Bear Valley PeakDixie National Forest7,438
Beehive PeakFishlake National Forest59,137
Boulder MountainWasatch-Cache National Forest8,852
Boulder Mtn. / Boulder Top / Deer LakeDixie National Forest110,690
Boulger - Black CanyonManti-Lasal National Forest23,286
Box - Death HollowDixie National Forest3,175
Bunker CreekDixie National Forest7,474
Burch CreekWasatch-Cache National Forest6,938
Capital ReefDixie National Forest763
Casto BluffDixie National Forest87,466
Circleville MountainFishlake National Forest24,142
CottonwoodDixie National Forest6,754
Dairy ForkManti-Lasal National Forest30,222
East MountainManti-Lasal National Forest30,705
FishhookDixie National Forest12,959
Fishlake MountainFishlake National Forest25,217
Happy ValleyDixie National Forest14,458
High Uintas (UT)Wasatch-Cache National Forest102,398
Hilgard MountainFishlake National Forest28,389
HogsbackWasatch-Cache National Forest7,936
Horse Mountain - Mans PeakManti-Lasal National Forest22,159
LangdonFishlake National Forest12,160
Lewis PeakWasatch-Cache National Forest11,616
Little CreekFishlake National Forest11,479
Lone Peak ContiguousWasatch-Cache National Forest874
Long Neck Mesa / Steep Creek / Oak Creek - Steep Creek / OakDixie National Forest55,489
Mahogany RangeWasatch-Cache National Forest11,409
Middle FrancisWasatch-Cache National Forest3,296
MogotsuDixie National Forest16,762
Moody WashDixie National Forest31,835
Mt. AireWasatch-Cache National Forest9,681
Mt. Logan NorthWasatch-Cache National Forest18,930
Mt. Logan SouthWasatch-Cache National Forest17,014
Mt. Logan WestWasatch-Cache National Forest5,285
Mt. NaomiWasatch-Cache National Forest41,922
Mt. OlympusWasatch-Cache National Forest9,982
Mt. Johns Peak - Mt AliceFishlake National Forest12,469
Muddy Creek - Nelson Mt.Manti-Lasal National Forest59,034
North FrancisWasatch-Cache National Forest8,148
North PavantFishlake National Forest53,262
Oak CreekFishlake National Forest54,053
SanpitchManti-Lasal National Forest29,129
South FrancisWasatch-Cache National Forest3,374
Stansbury MountainsWasatch-Cache National Forest39,696
Steves MountainFishlake National Forest22,649
Sugar PineWasatch-Cache National Forest5,600
Temple PeakWasatch-Cache National Forest24,081
Thousand Lake MountainFishlake National Forest27,267
Twin PeaksWasatch-Cache National Forest6,157
Upper South ForkWasatch-Cache National Forest16,811
Wayne WonderlandFishlake National Forest12,395
WellsvilleWasatch-Cache National Forest1,717
White PineWasatch-Cache National Forest1,942
Washington (9)
AreaForestAcres
Blue SlideWenatchee National Forest17,505
ChelanWenatchee National Forest74,650
Goat Rocks AdjWenatchee National Forest6,108
Granite MountainOkanogan National Forest27,428
Mill Creek Watershed (WA)Umatilla National Forest16,747
SawtoothOkanogan National Forest122,194
Slide RidgeWenatchee National Forest11,430
South RidgeOkanogan National Forest6,151
TaneumWenatchee National Forest26,140
Wyoming (22)
AreaForestAcres
0401018Ashley National Forest6,157
0401019Ashley National Forest6,202
0401036Ashley National Forest6,309
Cloud Peak ContiguousBighorn National Forest113,757
Devils CanyonBighorn National Forest37,416
Grayback RidgeBridger-Teton National Forest295,113
Gros Ventre MountainsBridger-Teton National Forest106,418
Horse Creek MesaBighorn National Forest77,808
Laramie PeakMedicine Bow-Routt National Forest28,608
Leigh CreekBighorn National Forest19,180
Little BighornBighorn National Forest133,949
Little GooseBighorn National Forest25,558
Middle ForkShoshone National Forest51,772
Munger MountainBridger-Teton National Forest12,827
Pacific Creek - Blackrock CreekBridger-Teton National Forest24,658
PalisadesTarghee National Forest1,121
Salt River RangeBridger-Teton National Forest235,661
South Beartooth HighwayShoshone National Forest105,570
South ForkShoshone National Forest64,903
Spread Creek - Gros Ventre RiverBridger-Teton National Forest166,097
West Slope TetonsTarghee National Forest47,448
West Slope WindsBridger-Teton National Forest143,252
References (2)
  1. 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.
  2. McGregor, R.L., coordinator, and T.M. Barkley, R.E. Brooks, and E.K. Schofield, eds.: Great Plains Flora Association. 1986. Flora of the Great Plains. Univ. Press Kansas, Lawrence. 1392 pp.