Branched phacelia (Phacelia ramosissima) COSEWIC assessment and status report: chapter 8

Limiting Factors and Threats

Phacelia ramosissima is limited to talus slopes and rock outcrops in the southern Okanagan Valley in British Columbia, and therefore has a highly restricted distribution in Canada. Significant threats to the population include mining (exploration at this time) and urban development. Both mining exploration and urban development are active threats with evidence of both activities observed in the Mount Kruger area in 2003 (Figures 6 and figure7). Two known subpopulations have already been destroyed by urban development or mining activity in recent years (Figure 7). At one extant site, mineral exploration has occurred within a few metres of a P. ramosissimapopulation (Figure 6).

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