Lesquerella parvula - Greene
Pygmy Bladderpod
Synonym(s): Lesquerella alpina ssp. parvula (Greene) Rollins & Shaw ;Physaria parvula (Greene) O'Kane & Al-Shehbaz
Taxonomic Status: Accepted
Related ITIS Name(s): Lesquerella parvula Greene (TSN 23216)
Unique Identifier: ELEMENT_GLOBAL.2.139790
Element Code: PDBRA1N210
Informal Taxonomy: Plants, Vascular - Flowering Plants - Mustard Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Dicotyledoneae Capparales Brassicaceae Lesquerella
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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: Lesquerella parvula
Conservation Status
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NatureServe Status

Global Status: G3?
Global Status Last Reviewed: 12Dec2011
Global Status Last Changed: 22Mar1990
Ranking Methodology Used: Ranked by calculator
Rounded Global Status: G3 - Vulnerable
Reasons: Regional endemic, known only from north-central Colorado, southwestern Wyoming and northeastern Utah. Further information on number of populations is needed. Few threats are documented but potential threats include grazing, exotic species, fire, off-road vehicles, road construction/maintenance, and climate change.
Nation: United States
National Status: NNR

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 Colorado (S2), Utah (S2), Wyoming (S2)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent Comments: Known only from two disjunct areas, north-central Colorado and southwestern Wyoming/northeastern Utah (O'Kane 2006). In Wyoming, range extent is approximately 3100 sq km (EO data in the NatureServe central database as of July 2011).

Area of Occupancy: 26-125 4-km2 grid cells
Area of Occupancy Comments: In Wyoming, area of occupancy is approximately 18 4-sq km grid cells (EO data in the NatureServe central database as of July 2011).

Number of Occurrences: 21 - 80
Number of Occurrences Comments: In Wyoming, there are approximately 14 extant occurrences (Fertig and Handley 2009). In Utah, there are approximately 19 occurrences (O'Kane 2006). In Colorado, estimates of number of occurrences range from 10 to 20 (Warren 2003; O'Kane 2006). Additional occurrences are likely to be found with intensive surveys (O'Kane 2006).

Population Size Comments: In Wyoming, described as uncommon ("local" or "low") at known sites (Fertig and Handley 2009). In Utah, occasional in the Uinta Basin (Goodrich and Neese 1986 cited by Stone 1998). In Colorado, abundant in Middle Park and on summits of the Ten Mile Range (Weber and Wittmann 1996).

Overall Threat Impact: High - low
Overall Threat Impact Comments: Threats may include grazing, exotic species, fire, off-road vehicles, road construction/maintenance, and climate change (O'Kane 2006). Grazing could increase erosion or soil compaction, or open habitat for exotic species (O'Kane 2006). The exotic Carduus nutans occurs adjacent to roadsides in the vicinity of an occurrence on the Medicine Bow National Forest (O'Kane 2006). On the Medicine Bow National Forest, road construction and maintenance may have impacted individuals on the road shoulder and on turnouts (Proctor personal communication 2004 cited by O'Kane 2006). The climate where this species occurs is likely to become drier and warmer in the future (EPA 1997 cited by O'Kane 2006).

Environmental Specificity: Moderate. Generalist or community with some key requirements scarce.
Environmental Specificity Comments: Occurs over a range of elevations and soil types and is found in a variety of plant associations (O'Kane 2006).

Other NatureServe Conservation Status Information

Distribution
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Global Range: Known only from two disjunct areas, north-central Colorado and southwestern Wyoming/northeastern Utah (O'Kane 2006). In Wyoming, range extent is approximately 3100 sq km (EO data in the NatureServe central database as of July 2011).

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 CO, UT, WY

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
WY Carbon (56007), Sweetwater (56037), Uinta (56041)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
10 Upper North Platte (10180002)+
14 Bitter (14040105)+, Upper Green-Flaming Gorge Reservoir (14040106)+, Blacks Fork (14040107)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
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Terrestrial Habitat(s): Grassland/herbaceous, Shrubland/chaparral
Habitat Comments: Open areas in sagebrush and mountain shrub communities (O'Kane 2006). Occurs on exposed windblown ridges, gravelly hills, open rocky knolls, gravelly hilltops, clay hillsides, granitic sand, reddish soil, in sagebrush, mountain scrub, and pinyon-juniper areas from 1800-2800 m. elevation (Flora of North America Editorial Committee 2010).
Economic Attributes
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Economically Important Genus: Y
Management Summary
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Stewardship Overview: Further document the species' range, status, and trends (O'Kane 2006). Prevent impacts from grazing, off-road vehicles, fire, and road construction/maintenance (O'Kane 2006). Any activities which could impact individuals or habitat, or introduce exotics, or increase erosion should be evaluated (O'Kane 2006).
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: 12Dec2011
NatureServe Conservation Status Factors Author: Tomaino, A.
Management Information Edition Date: 13Dec2011
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
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  • Al-Shehbaz, I.A., and S.L. O'Kane. 2002. Lesquerella is united with Physaria (Brassicaceae). Novon 12(3): 319-329.

  • Andersen, M.D. and B. Heidel. 2011. HUC-based species range maps. Prepared by Wyoming Natural Diversity Database for use in the pilot WISDOM application operational from inception to yet-to-be-determined date of update of tool.

  • Dorn, R. D. 2001. Vascular Plants of Wyoming, third edition. Mountain West Publishing, Cheyenne, WY.

  • Fertig, W. 1999. State Species Abstract: Lesquerella parvula. Updated 2009 by J. Handley. Wyoming Natural Diversity Database. Available on the internet at www.uwyo.edu/wyndd.

  • Fertig, W., L. Welp, and S. Markow. 1998. The status of rare plants in southwest Wyoming. Unpublished report prepared for the Bureau of Land Management by the Wyoming Natural Diversity Database, Laramie, WY.

  • Fertig, W., and J. Handley. 2009. February 5 last update. Lesquerella paysonii State Species Abstract, Wyoming Natural Diversity Database. Online. Available: http://www.uwyo.edu/wynddsupport/docs/Reports/SpeciesAbstracts/Lesquerella_parvula.pdf (accessed 11 December 2011).

  • 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.

  • Hartman, R. L. and C. H. Refsdal. 1995. Status report on the general floristic inventory of southwest Wyoming and adjacent northeast Utah. Unpublished report prepared for the Bureau of Land Management Wyoming State Office, U.S. Fish and Wildlife Service, and Region 4, U.S. Forest Service, by the Rocky Mountain Herbarium, University of Wyoming, Laramie, WY.

  • Holmgren, N. 2005. Brassicaceae. Pages 174-416 Holmgren, N. H., P.K. Holmgren and A. Cronquist. Intermountain Flora; Vascular Plants of the Intermountain West. Vol. 2, Part B. Subclass Dilleniidae. The New York Botanical Garden Press, Bronx, NY.

  • Kartesz, J. T. 1985. Draft revised vascular plant checklist. Review draft of unpublished checklist. 694 pp. in Conservancy edition.

  • 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.

  • O'Kane, S. L. 2006. Lesquerella parvula (pygmy bladderpod): a technical conservation assessment. USDA Forest Service, Rocky Mountain Region. Online. Available: http://www.fs.fed.us/r2/projects/scp/assessments/lesquerellaparvula.pdf (assessed 11 December 2011).

  • O'Kane, S. L. 2006. Lesquerella parvula Greene (pygmy bladderpod): A Technical Conservation Assessment. USDA Forest Service, Rocky Mountain Region. http://www.fs.fed.us/r2/projects/scp/assessments/Lesquerellaparvula.pdf.

  • O'Kane, S. L. 2010. Physaria. Pages 616-665 in Flora of North America Editorial Committee, editor. Flora of North America North of Mexico. Vol. 7. Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York, NY.

  • Refsdal, C. H. 1996. A general floristic inventory of southwest Wyoming and adjacent northeast Utah, 1994-1995. Unpublished report prepared for the Bureau of Land Management Wyoming State Office, Bureau of Land Management Vernal Supervisor's Office, U.S. Fish and Wildlife Service, and U.S. Forest Service Region 4 by the Rocky Mountain Herbarium, University of Wyoming, Laramie, WY.

  • Rollins, R. C. 1993. The Cruciferae of Continental North America: Systematics of the Mustard Family from the Arctic to Panama. Stanford University Press, Stanford, CA.

  • Rollins, R. C. and E. A. Shaw. 1973. The Genus Lesquerella (Cruciferae) in North America. Harvard University Press, Cambridge, MA.

  • Stone, R.D. 1998. Endemic and rare plants of Utah: an overview of their distribution and status. Prepared for: Utah Reclamation Mitigation and Conservation Commission, U.S. Department of the Interior by Utah Division of Wildlife Resources. 566 pp. + appendices. [http://dwrcdc.nr.utah.gov/ucdc/ViewReports/plantrpt.htm]

  • Warren, N. 2003. R2 Individual Species Recommendations for Lesquerella parvula. U.S. Forest Service.

  • Weber, W.A. and R.C. Wittman. 1996. Colorado flora: eastern slope: 2nd ed. University Press of Colorado, Niwot, Colorado.

  • Weber, W.A. and R.C. Wittman. 1996. Colorado flora: western slope: 2nd ed. University Press of Colorado, Niwot, Colorado.

  • Weber, W.A., and R.C. Wittmann. 1996b. Colorado flora: Western slope. Univ. Press of Colorado, Niwot, Colorado. 496 pp.

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