RFWAK8M0–USA, Washington State. Alpine Lakes Wilderness, Stuart Range, Shasta Fern
RM2HDMPN8–Ferns on side of Mill Creek bridge along Howland Hill Road in Jedediah Smith Redwoods State Park in Redwood National and State Parks, California, USA
RM2BTRH3R–Polystichum lemmonii Underw.
RMRG2WR5–. The Canadian field-naturalist. Figure 2. The small square indicates the location of Polystichum lemmonii in British Columbia. distinguished from the latter two species by the lack of spines on the teeth of the ultimate segments of the pinnae (Hitchcock et al. 1969; Wagner 1993; Ceska 2000). North American and Provincial Ranges Polystichuiu lemmonii ranges from south-central British Columbia, sporadically south through Wash- ington and Oregon to northern California (Smith and Lemieux 1993; Wagner 1993). In Canada, it is known only from the Baldy Mountain area in the Okanagan River valley in s
RMRG1F0B–. The Canadian field-naturalist. 2004 Douglas: Lemmon's Holly Fern in Canada 167. Figure 4. Polystichiim lemmonii plants are conspicuous among the low vegetation on the ultramafic soils. Acknowledgments I would like to thank Kathy Paige for her partici- pation in the fieldwork and Louise Bacon and Jenifer Penny for office assistance. Graham Nixon, British Columbia Geological Survey, kindly provided infor- mation on ultramafic rock types. Documents Cited (marked * in text) COSEWIC. 2003. COSEWIC assessment and status report on Lemmon's holly fern Polystichum lemmonii in Canada. Committee on the
RMRG2WRX–. The Canadian field-naturalist. 2004 Douglas: Lemmon's Holly Fern in Canada 165. Figure 2. The small square indicates the location of Polystichum lemmonii in British Columbia. distinguished from the latter two species by the lack of spines on the teeth of the ultimate segments of the pinnae (Hitchcock et al. 1969; Wagner 1993; Ceska 2000). North American and Provincial Ranges Polystichuiu lemmonii ranges from south-central British Columbia, sporadically south through Wash- ington and Oregon to northern California (Smith and Lemieux 1993; Wagner 1993). In Canada, it is known only from the Bald
RMRG2WTR–. The Canadian field-naturalist. Conservation Evaluation of Lemmon's Holly Fern, Polystichum lemmonii, a Threatened Fern in Canada'^ George W. Douglas 1, 2 'Conservation Data Centre, British Columbia Ministry of Sustainable Resource Management, Terrestrial Information Branch, P.O. Box 9993 Stn Prov Govt, Victoria, British Columbia V8W 9R7 Canada 2 Current address: Douglas Ecological Consultants Ltd., 6230 North Road, Duncan, British Columbia V9L 6K9 Canada Douglas, George W. 2004. Conservation evaluation of Lemmon's Holly Fern, Polystichum lemmonii a threatened fern in Canada. Canadian Field-
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