Roadless Areas
Home/Species/ Kern County Larkspur

Delphinium purpusii

Brandeg.

Kern County Larkspur

G3Vulnerable Found in 9 roadless areas NatureServe Explorer →
G3VulnerableGlobal Rank
MediumThreat Impact
Identity
Unique IDELEMENT_GLOBAL.2.131765
Element CodePDRAN0B1G0
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicendemic to a single state or province
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderRanunculales
FamilyRanunculaceae
GenusDelphinium
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 MethodLegacy Rank calculation - Excel v3.1x
Review Date2017-09-05
Change Date2017-09-05
Edition Date2017-11-01
Edition AuthorsOliver, L. (2002), rev. Treher and Bittman (2017)
Threat ImpactMedium
Range Extent1000-5000 square km (about 400-2000 square miles)
Number of Occurrences21 - 80
Rank Reasons
Delphinium purpusii is endemic to California and is known from Kern and Tulare Counties in chaparral, cismontane woodlands, and pinyon and juniper woodlands on rocky, carbonate soils between 300 and 1340 meters in elevation. There are 59 occurrences but 29 are historical. It is threatened by road maintenance and construction, deer and livestock grazing, and competition with exotic species. It is important to survey historical occurrences to determine if plants and habitat are extant.
Range Extent Comments
Endemic to Kern and Tulare counties of California.
Occurrences Comments
There are 55 element occurrences but 29 are historical. They should be surveyed to determine if the species are extant.
Threat Impact Comments
Threats listed include development, grazing by livestock and deer, trampling, weeds, recreation, dumping, and road work.
Ecology & Habitat

Habitat

Talus slopes, cliffs, steep rock outcrops, and on and near large boulders; substrate often carbonate. Found within Chaparral, Foothill/Cismontane Woodland, and Pinyon-Juniper Woodland communities. 300 - 1340 m.
Terrestrial Habitats
Forest/WoodlandWoodland - ConiferWoodland - MixedShrubland/chaparralBare rock/talus/screeCliff
Other Nations (1)
United StatesN3
ProvinceRankNative
CaliforniaS3Yes
Threat Assessments
ThreatScopeSeverityTiming
1 - Residential & commercial development———
1.3 - Tourism & recreation areas———
2 - Agriculture & aquaculture———
2.3 - Livestock farming & ranching———
4 - Transportation & service corridors———
4.1 - Roads & railroads———
8 - Invasive & other problematic species, genes & diseases———
8.1 - Invasive non-native/alien species/diseases———

—

Plant Characteristics
Economic Value (Genus)No
Roadless Areas (9)
California (9)
AreaForestAcres
ChannellSequoia National Forest45,429
ChicoSequoia National Forest39,836
Dennison PeakSequoia National Forest6,293
Domeland Add.Sequoia National Forest3,046
Greenhorn CreekSequoia National Forest28,226
Mill CreekSequoia National Forest27,643
MosesSequoia National Forest22,077
RinconSequoia National Forest54,610
WoolstaffSequoia National Forest41,445
References (7)
  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). 1997. Flora of North America north of Mexico. Vol. 3. Magnoliophyta: Magnoliidae and Hamamelidae. Oxford Univ. Press, New York. xxiii + 590 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. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
  6. Munz, P.A., and D.D. Keck. 1973. A California Flora and Supplement. University of California Press, Berkeley, CA. 1905 pp.
  7. Twisselmann, E.C. 1967. A flora of Kern County, California. California Native Plant Society, Sacramento. 395 pp.