Critically Imperiled Plant Profile (Not Listed or Proposed under the Endangered Species Act)
Chrysothamnus parryi ssp. montanus, Centennial rabbitbrush. Photo courtesy of Idaho Conservation Data Center.
Centennial rabbitbrush is known only from the Red Conglomerate Peaks area, near the Continental Divide, in the southern Beaverhead Range of Idaho and Montana. Photo courtesy of Idaho Conservation Data Center.
Chrysothamnus parryi ssp. montanus range map.
Chrysothamnus parryi ssp. montanus, Centennial rabbitbrush
- Syn. Ericameria parryi var. montana
Threats
- Centennial rabbitbrush occurs in a remote area and no threats to its long-term persistence have been identified
- Small population size and a very local distribution pattern may make this rabbitbrush vulnerable to stochastic events compared to more widespread species