Streptanthus campestris - S. Wats.
Southern Jewelflower
Taxonomic Status: Accepted
Related ITIS Name(s): Streptanthus campestris S. Wats. (TSN 23346)
Unique Identifier: ELEMENT_GLOBAL.2.139685
Element Code: PDBRA2G0B0
Informal Taxonomy: Plants, Vascular - Flowering Plants - Mustard Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Dicotyledoneae Capparales Brassicaceae Streptanthus
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Concept Reference
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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.
Concept Reference Code: B94KAR01HQUS
Name Used in Concept Reference: Streptanthus campestris
Conservation Status
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NatureServe Status

Global Status: G3
Global Status Last Reviewed: 21Dec2015
Global Status Last Changed: 21Dec2015
Ranking Methodology Used: Ranked by calculator
Rounded Global Status: G3 - Vulnerable
Reasons: Known from San Bernardino County, California south to Baja California.  There are approximately 39 sites in California and an unknown number in Baja California.  Habitat is at high elevations in chaparral, lower montane coniferous forest, or pinyon and juniper woodland and substrate is rocky.  Many sites are on public lands in California.  Threats may include roads, vegetation clearing, and development.
Nation: United States
National Status: N3

U.S. & Canada State/Province Status
Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.
United States California (S3)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent Comments: This species ranges from San Bernardino County, California south to Sierra San Pedro Mártir, Baja California (Flora of North America Editorial Committee 2010; Baldwin et al. 2012).

Area of Occupancy: 26-125 4-km2 grid cells
Area of Occupancy Comments: In California, approximately 39 4-sq km grid cells (Element occurrence data in the NatureServe central database as of August 2015).  Unknown number in Baja California.

Number of Occurrences: 21 - 80
Number of Occurrences Comments: In California, approximately 39 presumed extant occurrences (Element occurrence data in the NatureServe central database as of August 2015; CNDDB 2015).  Unknown number in Baja California.

Overall Threat Impact: Medium
Overall Threat Impact Comments: There is little development overlapping this high elevation species (Reiser, 1994).  Although many are on public lands in California, there are still some threats including road/trail construction/maintenance, vegetation clearing, and development (Element occurrence data in the NatureServe central database as of August 2015; CNDDB 2015).  Effects of fire uncertain.

Intrinsic Vulnerability Comments: Population size and habitat fragmentation contribute to intrinsic vulnerability.

Other NatureServe Conservation Status Information

Distribution
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Global Range: This species ranges from San Bernardino County, California south to Sierra San Pedro Mártir, Baja California (Flora of North America Editorial Committee 2010; Baldwin et al. 2012).

U.S. States and Canadian Provinces

Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.
Color legend for Distribution Map

U.S. & Canada State/Province Distribution
United States CA

Range Map
No map available.

National Distribution Outside of U.S. & Canada: Mexico

U.S. Distribution by County Help
State County Name (FIPS Code)
CA Imperial (06025), Riverside (06065), San Bernardino (06071), San Diego (06073), Santa Barbara (06083)*, Ventura (06111)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
18 Santa Ynez (18060010)+, Santa Barbara Coastal (18060013)+, Ventura (18070101)+, San Jacinto (18070202)+*, Santa Ana (18070203)+, San Diego (18070304)+, Cottonwood-Tijuana (18070305)+, Mojave (18090208)+, Whitewater River (18100201)+, Carrizo Creek (18100202)+, San Felipe Creek (18100203)+*, Salton Sea (18100204)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
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Basic Description: Perennial herb (short-lived, caudex not woody). 
Terrestrial Habitat(s): Forest - Conifer, Forest/Woodland, Shrubland/chaparral, Woodland - Conifer, Woodland - Hardwood, Woodland - Mixed
Habitat Comments: Dry rocky places, often slopes, sometimes among large rocks. Found in rocky openings in chaparral, pinyon-juniper woodland, openings and after fires in chaparral-oak woodlands, lower montane coniferous forest, open yellow pine forest, and big cone spruce communities, sometimes on sandstone substrates, at 900-2300 m (Flora of North America Editorial Committee 2010; Baldwin et al. 2012; CNPS 2015; Element occurrence data in the NatureServe central database as of August 2015).
Economic Attributes Not yet assessed
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Management Summary
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Stewardship Overview: Revisit sites.  Confirm relatively moderate level of threats.  Further document the species' status and trends in both California and Baja California.
Population/Occurrence Delineation Not yet assessed
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Population/Occurrence Viability
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U.S. Invasive Species Impact Rank (I-Rank) Not yet assessed
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Authors/Contributors
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NatureServe Conservation Status Factors Edition Date: 21Dec2015
NatureServe Conservation Status Factors Author: M. Fellows (8/03), rev. A. Tomaino (2015)
Management Information Edition Date: 21Dec2015
Management Information Edition Author: Tomaino, A

Botanical data developed by NatureServe and its network of natural heritage programs (see Local Programs), The North Carolina Botanical Garden, and other contributors and cooperators (see Sources).

References
Help
  • Baldwin, B. G., D. H. Goldman, D. J. Keil, R. Patterson, T. J. Rosatti, and D. H. Wilken, eds. 2012. The Jepson manual: vascular plants of California. 2nd edition. University of California Press, Berkeley, CA. 1568 pp.

  • Beauchamp, R.M. 1986. A flora of San Diego County, California. Sweetwater River Press, California. 241 pp.

  • 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)

  • 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.

  • California Native Plant Society (CNPS). 2015. Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society, Sacramento, CA. Online. Available: http://www.rareplants.cnps.org (accessed 2015).

  • Flora of North America Editorial Committee. 2010. Flora of North America North of Mexico. Vol. 7. Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York. xxii + 797 pp.

  • Hickman, J. C., ed. 1993. The Jepson manual: Higher plants of California. University of California Press, Berkeley, CA. 1400 pp.

  • 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.

  • Munz, P.A., with D.D. Keck. 1959. A California flora. Univ. California Press, Berkeley. 1681 pp.

  • Preston, R. E. 1994. Pollination biology of Streptanthus tortuosus (Brassicaceae). Madroño 41(2): 138-147.

  • Reiser, C. 1994. Rare plants of San Diego County. http://sandiego.sierraclub.org/rareplants/. Site updated October 6, 2001 by E. Kanner and B. Buffett. Site accessed 2003.

  • Rollins, R.C. 1993a. The Cruciferae of continental North America: Systematics of the mustard family from the Arctic to Panama. Stanford Univ. Press, Stanford, California. 976 pp.

  • Smith, C.F. 1998. A flora of the Santa Barbara region, California. 2nd edition. Santa Barbara Botanic Garden and Capra Press, Santa Barbara. 391 pp.

  • Wiggins, I.L. 1980. Flora of Baja California. Stanford Univ. Press, Stanford, California. 1025 pp.

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