Roadless Areas
Home/Species/ Wheeler's Thistle

Cirsium wheeleri

(Gray) Petrak

Wheeler's Thistle

G3Vulnerable (G3G4) Found in 19 roadless areas NatureServe Explorer →
G3VulnerableGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.155006
Element CodePDAST2E360
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderAsterales
FamilyAsteraceae
GenusCirsium
Other Common Names
Wheeler's thistle (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
Review Date2002-11-07
Change Date1998-01-27
Edition Date2002-11-07
Edition AuthorsA. Olivero (2002)
Rank Reasons
Moderately widespread in the Southwest from Nevada and Utah south to Arizona and New Mexico (Kartesz 1999). Occurs in open woods and canyons (Martin and Hutchins 1981). Common in Arizona (Kearney et al. 1960). Uncommon in Utah.
Ecology & Habitat
Other Nations (1)
United StatesN3
ProvinceRankNative
ArizonaS4Yes
New MexicoSNRYes
NevadaS1Yes
UtahS3Yes
ColoradoSNRYes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (19)
Arizona (10)
AreaForestAcres
Ash CreekPrescott National Forest7,663
Big RidgeKaibab National Forest9,087
Burro CanyonKaibab National Forest19,928
Butterfly Roadless AreaCoronado National Forest42,296
Cdo WsaCoronado National Forest1,955
ChiricahuaCoronado National Forest76,876
Oracle RoadlessCoronado National Forest22,365
PinalenoCoronado National Forest130,920
Red PointKaibab National Forest7,139
Sierra Ancha Wilderness ContiguousTonto National Forest7,787
New Mexico (5)
AreaForestAcres
Contiguous To Black & Aldo Leopold WildernessGila National Forest111,883
Meadow CreekGila National Forest34,167
Sawyers PeakGila National Forest59,743
T BarGila National Forest6,823
Wahoo MountainGila National Forest23,122
Utah (4)
AreaForestAcres
Box - Death HollowDixie National Forest3,175
FishhookDixie National Forest12,959
Fishlake MountainFishlake National Forest25,217
Hog RanchDixie National Forest17,130
References (4)
  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. Kartesz, J.T. 1999. A synonymized checklist and atlas with biological attributes for the vascular flora of the United States, Canada, and Greenland. First edition. In: Kartesz, J.T., and C.A. Meacham. Synthesis of the North American Flora, Version 1.0. North Carolina Botanical Garden, Chapel Hill, N.C.
  3. Kearney, T.H., R.H. Peebles, J.T. Howell, and E. McClintock. 1960. Arizona Flora. Revised 2nd Edition with supplement. University of California Press, Berkeley, California. 1085 pp.
  4. Martin, W.C., and C.R. Hutchins. 1980-1981. A flora of New Mexico. 2 vols. J. Cramer, in der A.R. Gantner Verlag, K.G., Vaduz, Liechtenstein. 2591 pp.