Roadless Areas
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Senecio pattersonensis

Hoover

Mono Ragwort

G3Vulnerable Found in 4 roadless areas NatureServe Explorer →
G3VulnerableGlobal Rank
LowThreat Impact
Identity
Unique IDELEMENT_GLOBAL.2.151428
Element CodePDAST8H2C0
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicendemic to a single nation
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderAsterales
FamilyAsteraceae
GenusSenecio
Other Common Names
Mono ragwort (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 Method Rank calculation - Biotics v2
Review Date2021-09-08
Change Date2021-09-08
Edition Date2021-09-08
Edition AuthorsTreher (2016, 2021)
Threat ImpactLow
Range Extent1000-5000 square km (about 400-2000 square miles)
Number of Occurrences6 - 20
Rank Reasons
Senecio pattersonensis occurs in California and Nevada. There are 12 sites but most of these sites are historical. Updated inventory data is needed to determine the status of sites (threats, condition), document population size, and confirm the species low threat status. Most sites are on Forest Service Land and relatively inaccessible.
Range Extent Comments
Senecio pattersonensis occurs in California and Nevada.
Occurrences Comments
There are eleven sites in California and one in Nevada.
Threat Impact Comments
This species habitat is relatively in accessible, thus protected from most anthropogenic threats.
Ecology & Habitat

Habitat

Open, rocky habitats, including talus slopes and gravelly ridges at and above timberline and Alpine Fell-field areas. 2750 - 3720 m.
Terrestrial Habitats
AlpineBare rock/talus/scree
Other Nations (1)
United StatesN3
ProvinceRankNative
NevadaS1Yes
CaliforniaS3Yes
Plant Characteristics
DurationPERENNIAL
Economic Value (Genus)No
Roadless Areas (4)
California (4)
AreaForestAcres
Long MeadowHumboldt-Toiyabe National Forest11,967
Mt. JacksonHumboldt-Toiyabe National Forest20,721
Sweetwater (CA)Humboldt-Toiyabe National Forest19,241
Wild Horse Mtn. (CA)Humboldt-Toiyabe National Forest28,822
References (9)
  1. CalFlora. 2005. Information on California plants for education, research and conservation. Berkeley, California: The CalFlora Database [web application]. Available: http://www.calflora.org/. (Accessed 2005)
  2. California Native Plant Society (CNPS). 2001. Inventory of Rare and Endangered Plants of California (sixth edition). Rare Plant Scientific Advisory Committee, David P. Tibor, Convening Editor. California Native Plant Society. Sacramento, CA. x + 388pp.
  3. 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.
  4. Hickman, J. C., ed. 1993. The Jepson manual: Higher plants of California. University of California Press, Berkeley, CA. 1400 pp.
  5. Kartesz, J.T. 1988. A flora of Nevada. Ph.D. dissertation. Univ. of Nevada, Reno. 3 volumes. 1729 pp.
  6. 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.
  7. Lloyd, R.M., and R.S. Mitchell. 1973. A flora of the White Mountains, California and Nevada. University California Press, Berkeley. 202 pp.
  8. Munz, P.A., with D.D. Keck. 1959. A California flora. Univ. California Press, Berkeley. 1681 pp.
  9. Weeden, N.F. 1996. A Sierra Nevada flora. 4th edition. Wilderness Press, Berkeley, California. 259 pp.