Parent Layer: Plants and Lichens

Name: Other Rare Species

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Description: Locations of globally rare plants (ranked G1 or G2 by Natureserve) in the Northwest Territories that are also ranked May Be at Risk by the NWT General Status Ranking program. Includes Drummond bluebell, Raup's willow, Mackenzie hairgrass and Banks Island alkali grass. Note that hairy braya (Braya pilosa) and Nahanni Aster (Symphotrichum nahanniense) are also ranked G1 but are not shown because they have been assessed as a Species at Risk in NWT and/or Canada and therefore have their own range maps. Developed for ENR/EC joint Species at Risk in the NWT booklet. Locations updated November 22, 2013 by Joanna Wilson. Shapefile modified to remove Nahanni Aster on February 19, 2015. One possible site for Mackenzie hairgrass (species identification requires verification) was added by Joanna Wilson on December 1, 2015. Four additional sites for Drummond Bluebell were added in November 2019.One additional site for Drummond Bluebell was added in October 2022. DRUMMOND BLUEBELL (Mertensia drummondii) locations from: 1. Porsild AE, and Cody WJ . 1980 . Vascular Plants of Continental Northwest Territories, Canada. 2. McJannet CL, Argus GW and Cody WJ . 1995 . Rare Vascular Plants in the Northwest Territories. 3. Cody et al. 1992. CFN. 106(2):87-99. 4. Cody et al. 2003. CFN 117(3):448-465. 5. http://aknhp.uaa.alaska.edu/rareguide/md1.html. Four additional Drummond bluebell records in Nunavut were provided by Bruce Bennett in October 2019: Bluenose Lke area, Cape Young DEW Line site, Camp Necessity Clifton Point, and Wollaston Peninsula.One site was added in October 2022 (Pearce Point north of Tuktut Nogait National Park, collected by Carita Bergman, 2 August 1990; record on iNaturalist). RAUP'S WILLOW (Salix raupii) locations from: 1. McJannet CL, Argus GW and Cody WJ . 1995 . Rare Vascular Plants in the Northwest Territories. 2. Argus 1986. CFN 100(3):386-388. 3. Argus 1974. Can J Bot 52:1303-1304. BANKS ISLAND ALKALI GRASS (Puccinellia banksiensis) records were drawn from ENR's NWT Virtual Herbarium in November 2013. MACKENZIE HAIRGRASS The single Deschampsia mackenzieana is from Canadian Museum of Nature specimen 310905, collected at Old Fort Reliance on Great Slave Lake in 1927; the identification of this specimen requires verification therefore it is considered an unconfirmed record. Other specimens of this plant are from Lake Athabasca in northern Saskatchewan and are not included in this shapefile; contact the Saskatchewan Conservation Data Centre.

Copyright Text: Contact: Wildlife Biologist (Species at Risk), Environment and Natural Resources, Government of the Northwest Territories, PO Box 1320, Yellowknife NT, X1A 2L9, (867) 767-9237 extension 53214, SARA@gov.nt.ca

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