Roadless Areas
Home/Species/ Laguna Mountains Streptanthus

Streptanthus bernardinus

(Greene) Parish

Laguna Mountains Streptanthus

G3Vulnerable Found in 7 roadless areas NatureServe Explorer →
G3VulnerableGlobal Rank
MediumThreat Impact
Identity
Unique IDELEMENT_GLOBAL.2.139603
Element CodePDBRA2G060
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicoccurs (regularly, as a native taxon) in multiple nations
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderCapparales
FamilyBrassicaceae
GenusStreptanthus
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 Date2011-12-14
Change Date2001-05-10
Edition Date2011-12-14
Edition AuthorsJoyal, E., rev. A. Tomaino (2011)
Threat ImpactMedium
Range Extent1000-5000 square km (about 400-2000 square miles)
Number of Occurrences21 - 80
Rank Reasons
Known only from two counties in southern California and from northern Baja California. Threats include recreational activities, off-road vehicles, road maintenance, development, and exotic plants.
Range Extent Comments
Known only from southern California in San Bernardino and San Diego counties, and Baja California where it is restricted to Sierra Juárez and Sierra San Pedro Mártir (Flora of North America Editorial Committee 2010). In California, range extent is approximately 2520 sq km (CNDDB 2011).
Occurrences Comments
In California there are a total of 22 EOs, 8 of which have been observed in the last 15 years (EO data in the NatureServe central database as of July 2011). There are likely to be additional California occurrences (CNDDB 2011). Abundance in Mexico is unknown.
Threat Impact Comments
Some California occurrences are threatened by recreational activities, off-road vehicles, road maintenance, development, and exotic plants (CNPS 2011; CNDDB 2011). Threats in Mexico are unknown.
Ecology & Habitat

Habitat

Lower montane coniferous forest, dry open pine or cypress woods, and chaparral from 1200-2500 m. elevation (Flora of North America Editorial Committee 2010, CNPS 2011).
Terrestrial Habitats
Forest/WoodlandForest - ConiferWoodland - ConiferShrubland/chaparral
Other Nations (1)
United StatesN3
ProvinceRankNative
CaliforniaS3Yes
Threat Assessments
ThreatScopeSeverityTiming
1 - Residential & commercial developmentLarge - smallUnknown—
4 - Transportation & service corridorsLarge - smallUnknown—
6 - Human intrusions & disturbanceLarge (31-70%)Moderate or 11-30% pop. decline—
8 - Invasive & other problematic species, genes & diseasesLarge - smallUnknown—

—

Plant Characteristics
Economic Value (Genus)No
Roadless Areas (7)
California (7)
AreaForestAcres
Deep CreekSan Bernardino National Forest23,869
Hixon FlatSan Bernardino National Forest8,095
Horse Creek RidgeSan Bernardino National Forest8,969
Mill PeakSan Bernardino National Forest7,884
Rouse HillSan Bernardino National Forest13,745
San SevaineSan Bernardino National Forest6,866
SugarloafSan Bernardino National Forest8,206
References (4)
  1. Baldwin, B.G., S. Boyd, D.J. Keil, R.W. Patterson, T.J. Rosatti and D.H. Wilken eds. 2011. Jepson Flora Project: Jepson Online Interchange for California Floristics. Regents of the University of California, Berkeley. Online. Available: http://ucjeps.berkeley.edu/interchange/ (accessed 2011).
  2. California Native Plant Society (CNPS). 2011. Inventory of Rare and Endangered Plants. California Native Plant Society. Sacramento, CA. Online. Available: http://www.cnps.org/inventory (accessed 2011).
  3. Flora of North America Editorial Committee (FNA). 2010. Flora of North America north of Mexico. Vol. 7. Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York. xxii + 797 pp.
  4. 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.