Artemisia porteri - Cronq.
Porter's Sagebrush
Taxonomic Status: Accepted
Related ITIS Name(s): Artemisia porteri Cronquist (TSN 35488)
Unique Identifier: ELEMENT_GLOBAL.2.141604
Element Code: PDAST0S1C0
Informal Taxonomy: Plants, Vascular - Flowering Plants - Aster Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Dicotyledoneae Asterales Asteraceae Artemisia
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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: Artemisia porteri
Taxonomic Comments: Distinct; according to A. Cronquist, may be related to Artemisia pedatifida, a widespread taxon that often occurs nearby.
Conservation Status
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NatureServe Status

Global Status: G2
Global Status Last Reviewed: 28Mar2012
Global Status Last Changed: 06Feb1990
Ranking Methodology Used: Ranked by inspection
Rounded Global Status: G2 - Imperiled
Reasons: Endemic to the Wind River Basin, Fremont County, Wyoming. Populations are localized, but are often relatively large.
Nation: United States
National Status: N2

U.S. & Canada State/Province Status
United States Wyoming (S2)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent Comments: State endemic restricted to the Wind River Basin and Powder River Basin in Fremont, Johnson, and Natrona counties.

Number of Occurrences: 6 - 20
Number of Occurrences Comments: Some collection sites may not be distinct occurrences.

Population Size Comments: A guess.

Overall Threat Impact Comments: All known occurrences within Known Geologic Structure (gas); exploration and development high priority.

Intrinsic Vulnerability Comments: Unknown.

Other NatureServe Conservation Status Information

Distribution
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Global Range: State endemic restricted to the Wind River Basin and Powder River Basin in Fremont, Johnson, and Natrona counties.

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

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

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
WY Fremont (56013), Hot Springs (56017), Johnson (56019), Natrona (56025)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
10 Little Wind (10080002)+, Muskrat (10080004)+, Lower Wind (10080005)+, Badwater (10080006)+, Upper Bighorn (10080007)+, South Fork Powder (10090203)+, Middle North Platte-Casper (10180007)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
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Basic Description: A mat-forming perennial subshrub with silvery leaves and with numerous flowering stems, up to 1.5 dm tall. Stem leaves mostly lack lobes, but the basal leaves are sometimes 3-lobed. Flower heads are arranged in a long, narrow spike-like inflorescence. Individual flower heads consist of 30-40 reddish-brown disk flowers (ray flowers are absent) subtended by soft-hairy bracts. Blooms primarily in June and July.
Terrestrial Habitat(s): Desert
Habitat Comments: Very sparsely vegetated badlands of pale, ashy or tufaceous (volcanic) mudstones and clay slopes. 1615-1980 m elevation.
Economic Attributes
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Economically Important Genus: Y
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: 27Feb1987
NatureServe Conservation Status Factors Author: MARRIOTT, H. (rev. W. Fertig/K. Maybury 6/96)

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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  • 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.

  • Clark, T. W. and R. D. Dorn. 1979. Rare and endangered vascular plants and vertebrates of Wyoming. Published by the authors.

  • Clark, T.W., and R.D. Dorn. 1979. Rare and endangered vascular plants and vertebrates of Wyoming. Published by the authors. 78 pp.

  • Cronquist, A. 1951. A new Artemisia from Wyoming. Madrono 11: 145-146.

  • Cronquist, A. 1951. A new Artemisia from Wyoming. Madroņo 11:145-146.

  • Cronquist, A. 1955. Vascular Plants of the Pacific Northwest, Part 5: Compositae. Pages 1-343. University of Washington Press, Seattle, WA.

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

  • Dorn, R.D. 1977. Manual of the vascular plants of Wyoming. 2 vols. Garland Publishing, Incorporated, New York. 1498 pp.

  • Dorn, R.D. 1988. Vascular plants of Wyoming. Mountain West Publishing, Cheyenne, WY. 340 pp.

  • Environmental Research & Technology Inc. 1979. Studies on distribution of Porter sagewort (Artemisia porteri) in the Wind River Basin. Unpublished report prepared for the Rocky Mountain Energy Company.

  • Fertig, W. 2000. State Species Abstract: Artemisia porteri. Wyoming Natural Diversity Database. Available on the internet at www.uwyo.edu/wyndd.

  • Fertig, W. 2002. Status of Porter's sagebrush (Artemisia porteri) in Wyoming. Unpublished report prepared for the Bureau of Land Management by the Wyoming Natural Diversity Database, Laramie, WY.

  • Fertig, W. and G. Jones. 1997. Plant species of special concern and plant associations of the Copper Mountain ecosystem, Fremont County, Wyoming. Unpublished report prepared for the Bureau of Land Management Wyoming State Office by the Wyoming Natural Diversity Database, Laramie, WY.

  • Fertig, W., C. Refsdal, and J. Whipple. 1994. Wyoming Rare Plant Field Guide. Wyoming Rare Plant Technical Committee, Cheyenne, WY.

  • Fertig, W., C. Refsdal, and J. Whipple. 1994. Wyoming rare plant field guide. Wyoming Rare Plant Technical Committee, Cheyenne. No pagination.

  • Hayden-Wing Associates, LLC. 2006. Burlington Resources' Seismic Project Area, Special Status Plant Species. Prepared for Burlington Resources Oil & Gas Co., Midland, TX. Laramie, WY. Report and GIS files.

  • 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.

  • Keenlyne, K.D. 1977. Special Report Number 3: Endangered or Threatened Species in Wyoming. US Fish and Wildlife Service, Casper, WY. 48 pp.

  • Marriott, H. J. 1986. Evaluation of the Lysite Badlands as a potential Area of Critical Environmental Concern. Unpublished report prepared for the Bureau of Land Management, Lander Resource Area by the Wyoming Natural Diversity Database, Laramie, WY.

  • Neighbours, M. and H. Marriott. 1991. Candidate sensitive plant species, Platte River Resource Area, Bureau of Land Management. Prepared for the BLM by the Wyoming Natural Diversity Database, Laramie, WY.

  • Roderick, A. J., B. E. Nelson, and R. L. Hartman. 1999. Final report on the general floristic inventory of the Upper North Platte and Laramie River drainages. Unpublished report prepared for the Bureau of Land Management Rawlins and Casper Districts by the Rocky Mountain Herbarium, University of Wyoming, Laramie, WY.

  • Shultz, L. M. 2006. Artemisia. Pages 503-534 in Flora of North America Editorial Committee, editor. Flora of North America North of Mexico. Vol. 19. Magnoliophyta: Asteridae (in part): Asteraceae part 1. Oxford University Press, New York, NY.

  • Taylor, A. R. 2000. The vascular flora of the Upper North Platte River drainage, Wyoming. Masters Thesis. Department of Botany, University of Wyoming, Laramie, WY.

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