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- Title
Conservation Evaluation of Lemmon's Holly Fern, Polystichum lemmonii, a Threatened Fern in Canada.
- Authors
Douglas, George W.
- Abstract
In Canada, Lemmon's Holly Fern, Polystichum lemmonii, is restricted to the Baldy Mountain area on the eastern side of the Okanagan River valley in south-central British Columbia. This population represents the northern limits of the species which ranges south through northern Idaho, Washington and Oregon to northern California. In British Columbia, P. lemmonii is associated with ultramafic rocky ridges within a montane forest at an elevation of 1900 m. The population in the Baldy Mountain area is relatively small, unprotected and potentially imperilled by mining exploration, forest road construction or wildfires.
- Subjects
FERNS; POLYSTICHUM; PLANT populations; PLANT species; FORESTS &; forestry
- Publication
Canadian Field-Naturalist, 2004, Vol 118, Issue 2, p164
- ISSN
0008-3550
- Publication type
Article
- DOI
10.22621/cfn.v118i2.904