Mountain holly fern (Polystichum scopulinum) was designated by COSEWIC as threatened in Canada in May 2005 and is listed on the federal Species at Risk Act Schedule 1. Its current known Canadian range consists of five populations found in British Columbia, Quebec, and Newfoundland and Labrador. Mountain holly fern is an evergreen, perennial fern with leaflets that are folded inward and twisted horizontally with slanting bases. This fern is a species of montane ultramafic (serpentine) outcrops. In British Columbia, it is found in three populations in the Tulameen River valley. As well, it is found in 2 other provinces: one population in Quebec on the Gaspe Peninsula, and a historic population in western Newfoundland and Labrador at North Arm Mountain.
In general, specific local threats apply primarily to the British Columbia populations of mountain holly fern. No specific local threats to the Quebec population are known. It is not known whether the Newfoundland and Labrador population is extant, but the historic locality is remote and not at risk from human activities. No critical habitat, as defined under the federal Species at Risk Act is proposed for identification at this time. It is expected that critical habitat will be proposed following consultation and development of stewardship options with affected landowners and organizations, and completion of outstanding work required to identify specific habitat and area requirements for this species.
The recovery goal for mountain holly fern is to protect and maintain all known populations in Canada.
Mountain Holly Fern Advisory Committee. 2009. Recovery Strategy for the mountain holly fern (Polystichum scopulinum) in British Columbia, Quebec, and Newfoundland and Labrador. Ministry of Environment. BC Recovery Strategy (Species at Risk)
Topic: Recovery Planning
Keywords: SARA, COSEWIC, bc, species at risk, recovery planning, critical habitat
Scientific Name: Polystichum scopulinum
English Name: Mountain Holly Fern
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