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Hymenoxys richardsonii

(Hook.) Cockerell

Richardson's Bitterweed

G5Secure Found in 34 roadless areas NatureServe Explorer →
G5SecureGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.159043
Element CodePDAST530G0
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderAsterales
FamilyAsteraceae
GenusHymenoxys
Other Common Names
Colorado Rubberplant (EN) Colorado Rubberweed (EN) Hyménoxys de Richardson (FR) pingue rubberweed (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 Date2002-08-02
Edition Date1998-05-13
Edition AuthorsGRIES, D
Rank Reasons
Widespread east and south of Idaho, Hymenoxys richardsonii is known from southern Saskatchewan to Texas and west to Idaho, Utah, and Arizona.
Range Extent Comments
From southern Saskatchawan to Texas, west to Utah (twenty counties (Welsh, 1993)) and Arizona (Great Plains Flora Association, 1986).
Occurrences Comments
In Idaho, known from two occurrences (Idaho Native Plant Society, 1992).
Ecology & Habitat
Other Nations (2)
United StatesNNR
ProvinceRankNative
ArizonaS4Yes
MontanaS4Yes
UtahSNRYes
TexasSNRYes
IdahoSNRYes
New MexicoS2Yes
WyomingSNRYes
North DakotaSNRYes
NevadaSNRYes
NebraskaSNRYes
ColoradoS4Yes
CanadaN4
ProvinceRankNative
SaskatchewanS4Yes
AlbertaS4Yes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (34)
Arizona (2)
AreaForestAcres
Burro CanyonKaibab National Forest19,928
Red PointKaibab National Forest7,139
Colorado (2)
AreaForestAcres
Bristol HeadRio Grande NF46,087
Dome PeakRoutt NF35,716
New Mexico (21)
AreaForestAcres
Alamo CanyonSanta Fe National Forest8,639
Black CanyonSanta Fe National Forest1,922
Brushy SpringsGila National Forest5,735
Chama WS RiverSanta Fe National Forest4,168
Chama WildernessSanta Fe National Forest1,295
Elk MountainGila National Forest6,550
GuadalupeCibola National Forest13,619
Guaje CanyonSanta Fe National Forest6,104
Holy GhostSanta Fe National Forest2,352
Juan de Gabaldon GrantSanta Fe National Forest8,023
Latir PeakCarson National Forest3,573
Little TesuqueSanta Fe National Forest815
Mt. TaylorCibola National Forest6,355
Nichols ReservoirSanta Fe National Forest1,518
Pacheco CanyonSanta Fe National Forest1,012
Pecos WS RiverSanta Fe National Forest5,396
RendijaSanta Fe National Forest2,176
Sawyers PeakGila National Forest59,743
T BarGila National Forest6,823
Tesuque CreekSanta Fe National Forest810
Thompson PeakSanta Fe National Forest33,001
North Dakota (1)
AreaForestAcres
Ponderosa PineDakota Prairie Grasslands7,471
Utah (7)
AreaForestAcres
0401001Ashley National Forest11,705
0401030Ashley National Forest531
0401031Ashley National Forest7,110
Big Bear CreekManti-Lasal National Forest28,440
Boulger - Black CanyonManti-Lasal National Forest23,286
Hay LakesDixie National Forest22,144
Thousand Lake MountainFishlake National Forest27,267
Wyoming (1)
AreaForestAcres
0401019Ashley National Forest6,202
References (4)
  1. Great Plains Flora Association (R.L. McGregor, coordinator; T.M. Barkley, ed., R.E. Brooks and E.K. Schofield, associate eds.). 1986. Flora of the Great Plains. University Press of Kansas, Lawrence, Kansas. 1392 pp.
  2. Idaho Native Plant Society. 1992. Federal candidate (C1 and C2) and listed rare plants of Idaho. unpaginated.
  3. 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.
  4. Welsh, S.L., N.D. Atwood, S. Goodrich, and L.C. Higgins (eds.) 1993. A Utah flora. 2nd edition. Brigham Young Univ., Provo, Utah. 986 pp.