. The Canadian field-naturalist. 430 The Canadian Feeld-Natuelalist Vol. 114 to Cody (1996) only from the vicinities of Mayo and Carmacks. The specimens cited above extend the known range in the Territory about 100 kilometers to the south. Polygonum viviparum L., Alpine Bistort — Yukon: on sheer rockface in seep, Beaver River Hanging Gardens, 60°20'51"N 125°39'21"W, B. Bennett 97- 413, 14 Aug. 1997 (DAO); mesic slope open mead- ow with Pinus contorta and Alnus incana, Kotaneelee Range, 60°14'31"N 124°07'19"W, B. Bennett 98-140, 20 June 1998 (DAO). This is a widespread speci


. The Canadian field-naturalist. 430 The Canadian Feeld-Natuelalist Vol. 114 to Cody (1996) only from the vicinities of Mayo and Carmacks. The specimens cited above extend the known range in the Territory about 100 kilometers to the south. Polygonum viviparum L., Alpine Bistort — Yukon: on sheer rockface in seep, Beaver River Hanging Gardens, 60°20'51"N 125°39'21"W, B. Bennett 97- 413, 14 Aug. 1997 (DAO); mesic slope open mead- ow with Pinus contorta and Alnus incana, Kotaneelee Range, 60°14'31"N 124°07'19"W, B. Bennett 98-140, 20 June 1998 (DAO). This is a widespread species in the Yukon Territory but was not known to Cody (1996) east of about longitude 127°15'W. The specimens cited above extend the known distribution eastward about 180 kilometers. Rumex salicifolius Weinm. ssp. triangulivalvis Danser, Willow Dock — Yukon: riverbar. Lower Beaver River, 60°02'00"N 124°3r40"W, B. Bennett 97-608, 20 Aug. 1997 (DAO). Cody (1996) knew this species in the Yukon Territory only as far east as near longitude 127°30'W. The specimen cited above extends the known range eastward about 160 kilometers. Chenopodiaceae Chenopodium album L., Lamb's Quarters — Yukon: in dry meadow adjacent to hotspring, Beaver River Hotsprings, 60°22'53"N 125°34'33"W, B. Bennett 97-601, 15 Aug. 1997 (DAO); Old Crow Airport, 67°34'N 139°51'W, A^. Hughes , 29 July 1997 (DAO). This species which is introduced from Europe was not known to Cody (1996) to occur north of latitude 64°15'N or east of longitude 13r30"W. The speci- mens cited above extend the known range southeast- ward about 400 kilometers and northward about 400 kilometers. Chenopodium dessicatum A. Nels. — Yukon: alka- line flat, Takhini Salt Flats, 60°51'N 135°43'W, B. Bennett 98-431, 16 Aug. 1998, (DAO). Cody (1996) knew this species in the Yukon Territory from only three localities in the Territory: Dawson, Carmacks and adjacent to the Tagish Road northeast of Carcros


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