Critically Imperiled Plant Profile
(Not Listed or Proposed under the Endangered Species Act)

Arabis ophira, Ophir rockress
Leaves are covered with tiny hairs to protect from drying effects of sun and wind. Photo by James Morefield, Nevada Natural Heritage Program.

Arabis ophira, Ophir rockress
This rockcress has erect fruits. Photo by James Morefield, Nevada Natural Heritage Program.

Arabis ophira, Ophir rockress habitat
Ophir rockcress grows only in the high elevations of the Toiyabe Range of Nevada. Photo by James Morefield, Nevada Natural Heritage Program.

Arabis ophira, Ophir rockress range map.
Astragalus iselyi range map.

Arabis ophira, Ophir rockress

Threats

  • Potential mineral exploration and development
  • Recreational foot traffic
  • Small population numbers and areas
  • Climatic warming
  • One site at Ophir Summit vulnerable to off-road vehicle use
  • Populations are well scattered along the crest of the Toiyabe Range, and most are remote from sources of disturbance

Conservation Status

National Forest and Grassland Occurrence

More Information