NatureServe Conservation Status
Rounded Global Status Rank: G2 - Imperiled
Reasons: The center of the range appears to be in Alberta and British Columbia, however, it also occurs in Saskatchewan and Manitoba, and several states in the United States. It is probably undercollected in British Columbia.
Environmental Specificity: Narrow. Specialist or community with key requirements common.
Comments: This species occurs on dry calcareous cliffs.
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