USDA Forest Service Celebrating Wildflowers
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Critically Imperiled Plant Profile
(Not Listed or Proposed under the Endangered Species Act)
Physaria pulvinata (no common name)
This species is endemic to Colorado, confined to a shale outcrop that is widely used for road gravel.
Threats
- Overgrazing
- Intense recreational use
- Mining of shale substrate for road construction
- Off-road vehicle use
Conservation Status
National Forest and Grassland Occurrence
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U.S. Forest Service
Rangeland Management
Botany Program
1400 Independence Ave., SW, Mailstop Code: 1103
Washington DC 20250-1103

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Location: http://www.fs.fed.us/wildflowers/rareplants/profiles/critically_imperiled/physaria_pulvinata/index.shtml
Last modified: Wednesday, 13-Oct-2010 14:36:01 EDT