IUCN threat status:

Least Concern (LC)


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Range Description

This species ranges from extreme southeastern British Columbia south through western Montana to extreme southeastern Washington, northeastern Oregon, and south-central Idaho (Leonard et al. 1993, Nielson et al. 2001, Stebbins 2003). There are many extant occurrences in Montana and Idaho and two small population groups in British Columbia (L. Dupuis pers. comm., 2001).


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© International Union for Conservation of Nature and Natural Resources

Source: IUCN

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