Mountain holly fern (Polystichum scopulinum) COSEWIC assessment and status report: chapter 1

COSEWIC Assessment Summary

Assessment Summary – May 2005

Common name : Mountain Holly Fern

Scientific name : Polystichum scopulinum

Status : Threatened

Reason for designation : A fern of very restricted occurrence on serpentine substrates in three widely separated areas of Canada. These very small populations are at risk from stochastic events and, the 3 in British Columbia, from potential mining activities for precious metals.

Occurrence : British Columbia, Quebec, Newfoundland and Labrador

Status history : Designated Threatened in May 2005. Assessment based on a new status report.

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