Phacelia incana - Brand
Western Phacelia
Taxonomic Status: Accepted
Related ITIS Name(s): Phacelia incana Brand (TSN 31543)
Unique Identifier: ELEMENT_GLOBAL.2.140602
Element Code: PDHYD0C270
Informal Taxonomy: Plants, Vascular - Flowering Plants - Waterleaf Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Dicotyledoneae Solanales Hydrophyllaceae Phacelia
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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: Phacelia incana
Conservation Status
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NatureServe Status

Global Status: G3G4
Global Status Last Reviewed: 23Mar2000
Global Status Last Changed: 23Mar2000
Rounded Global Status: G3 - Vulnerable
Reasons: It is locally abundant in Nevada and rare in Colorado, Wyoming, Montana, and Utah. Due to the commonness of its generalized habitat and inconspicuous habit, it may be more common than previously thought. No status information is available from Idaho. Some locations are potentially threatened by mining, exotic species encroachment, and erosion.
Nation: United States
National Status: N3N4

U.S. & Canada State/Province Status
United States Colorado (S1), Idaho (SNR), Montana (S2), Nevada (S3), Utah (S2), Wyoming (S1)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent Comments: Occurs from eastern Nevada and central Idaho to southwestern Montana, southern Wyoming, northwestern Colorado, and western Utah.

Number of Occurrences:  
Number of Occurrences Comments: There are seven occurrences in Montana (MNHP 1998). Wyoming NDD (1998) reports six extant locations and 2 vague historical records. Occurrence data is not available for Idaho, Colorado, Utah and Nevada. It is reported from a total of 13 counties in the three later states (Weber and Wittmann 1996; Welsh et al. 1993; NNHP 1998). Nevada Heritage Program does not track occurrences, as it is considered likely to be fairly common in the state due to its generalized habitat and large geographic range in eastern Nevada (Jim Morefield pers. comm., March 2000)

Population Size Comments: There are approximately 5000 individuals found at the seven occurrences in Montana (MNHP 1998). Wyoming populations number in the low thousands in small areas (WYNDD 1998). The species occupies small areas even if numbers exceed 10,000.

Overall Threat Impact Comments: Some locations are in areas of active mining and vulnerable to exotic annual species encroachment (MNHP 1998). Also the steep, slopes which support this species may be vulnerable to erosion under moderate to heavy use (WYNDD 1998).

Short-term Trend: Unknown

Intrinsic Vulnerability Comments: Rocky slopes are fairly resilient.

Other NatureServe Conservation Status Information

Distribution
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Global Range: Occurs from eastern Nevada and central Idaho to southwestern Montana, southern Wyoming, northwestern Colorado, and western Utah.

U.S. States and Canadian Provinces
Color legend for Distribution Map

U.S. & Canada State/Province Distribution
United States CO, ID, MT, NV, UT, WY

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
MT Beaverhead (30001)
NV Elko (32007)*
WY Carbon (56007)*, Sweetwater (56037)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
10 Red Rock (10020001)+, Beaverhead (10020002)+
14 Upper Green-Flaming Gorge Reservoir (14040106)+, Blacks Fork (14040107)+, Great Divide closed basin (14040200)+*
16 South Fork Humboldt (16040103)+*, Long-Ruby Valleys (16060007)+*
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
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General Description: Hoary Phacelia is an annual with erect, branched stems that are up to 10 cm high. The alternate leaves have well-developed petioles and broadly elliptic, entire-margined blades that are 3-15 mm long. The foliage is covered with spreading, often gland-tipped hairs. Short-stalked flowers are borne in sparse, narrow, 1-sided, curved spikes that unwind as they mature. The white to bluish flowers have 5 strap-shaped sepals that are 3-4 mm long and a 5-lobed tubular corolla that is scarcely longer than the calyx. Stamens are held within the tube. The fruit is a many-seeded capsule.
Diagnostic Characteristics: The combination of annual habit, entire leaves, and white flowers separate this species from other members of the family in our area. Members of the Boraginaceae have 1-4 nutlets rather than capsules.
Habitat Comments: Desert hills (Weber and Wittmann 1996). Stony often calcareous slopes in the sagebrush and pinyon-juniper zones (Intermountain Flora draft).
Economic Attributes Not yet assessed
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Management Summary Not yet assessed
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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: 02Nov1998
NatureServe Conservation Status Factors Author: Fayette, Kim (1998), rev. B. Heidel (1999).
Element Ecology & Life History Edition Date: 19Nov1994
Element Ecology & Life History Author(s): JM

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
  • 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.

  • Atwood, N. D. 2010. The Hydrophyllaceae of Utah. Western North American Naturalist 36:1-55.

  • Colorado Natural Heritage Program. 1998. Biological Conservation Datasystem. Colorado State University, Ft. Collins, CO.

  • Cronquist, A., A. H. Holmgren, N. H. Holmgren, J. L. Reveal, and P. K. Holmgren. 1984. Intermountain Flora; Vascular Plants of the Intermountain West, U.S.A. Volume 4: Subclass Asteridae. New York Botanical Garden, Bronx, NY.

  • Dorn, R. D. 1992. Vascular Plants of Wyoming, second edition. Mountain West Publishing, Cheyenne, WY.

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

  • 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.

  • Heidel, B. and W. Fertig. 1999. State Species Abstract: Phacelia incana. Wyoming Natural Diversity Database. Available on the internet at www.uwyo.edu/wyndd.

  • Hitchcock, C. L., A. Cronquist, and M. Ownbey. 1959. Vascular Plants of the Pacific Northwest, Part 4: Ericaceae through Campanulaceae. University of Washington Press, Seattle, WA.

  • Idaho Conservation Data Center. 1998. Idaho Department of Fish and Game, Boise, Idaho.

  • 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.

  • Lesica, P. & J. S. Shelly. 1991. Sensitive, Threatened and Endangered Vascular Plants of Montana. Montana Natural Heritage Program, Occ. Publ. No. 1. Helena, MT.

  • 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.

  • Vanderhorst, J. P. and P. Lesica. 1994. Sensitive plant survey in the Tendoy Mountains, Beaverhead County, Montana. Unpublished report to the Bureau of Land Management, Butte District. Montana Natural Heritage Program, Helena, MT. 59 pp. plus appendices.

  • Vanderhorst, J. P. and P. Lesica. 1994. Sensitive plant survey in the Tendoy Mountains, Beaverhead County, Montana. Unpublished report to the Bureau of Land Management, Butte District. Montana Natural Heritage Program, Helena, MT. 59 pp. plus appendices.

  • Weber, W.A., and R.C. Wittmann. 1996a. Colorado flora: Eastern slope. Revised edition. Univ. Press of Colorado, Niwot, Colorado. 524 pp.

  • Welp, L. A. 1997. A floristic survey of the Great Divide Basin, Green Mountains, and Upper Sweetwater Plateau in southwest Wyoming. Masters Thesis. Department of Botany, University of Wyoming, Laramie WY.

  • Welsh, S.L., N.D. Atwood, S. Goodrich, and L.C. Higgins (eds.) 1993. A Utah flora. 2nd edition. Brigham Young Univ., Provo, Utah. 986 pp.

  • Wyoming Natural Diversity Database. 1998. University of Wyoming, Laramie, WY.

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