. The Canadian field-naturalist. Natural history. 282 The Canadian Field-Naturalist Vol. 117 This variety was considered rare in the Territory by Douglas et al. (1981) where it was previously known from only five localities (Cody 1996; Cody et al. 1998). Alopecurus geniculatus L., Water Meadow-foxtail (Figure 1) - Yukon: hidden in Stelleria longifolia clump, Horseshoe Slough Habitat Protection Area near Mayo, 63°26'N 135°06'W, D. Mossop 8, July 2000 (DAO). This species which is introduced in Canada from Eurasia is new to the Territory (Cody 1996). It is common in SW British Columbia north to t
. The Canadian field-naturalist. Natural history. 282 The Canadian Field-Naturalist Vol. 117 This variety was considered rare in the Territory by Douglas et al. (1981) where it was previously known from only five localities (Cody 1996; Cody et al. 1998). Alopecurus geniculatus L., Water Meadow-foxtail (Figure 1) - Yukon: hidden in Stelleria longifolia clump, Horseshoe Slough Habitat Protection Area near Mayo, 63°26'N 135°06'W, D. Mossop 8, July 2000 (DAO). This species which is introduced in Canada from Eurasia is new to the Territory (Cody 1996). It is common in SW British Columbia north to the Queen Charlotte Islands and rare in SE British Columbia. It can be separated from A. alpinus as follows: A. Spikes oblong to short-cylindric; spikelets more than 3 mm long; glumes densely covered over the entire surface with long wooly hairs; lemma apices obtuse A. alpinus A. Spikes long-cylindric; spikelets mm long or less; glumes with long hairs restricted to nerves and keel; lemma apices nearly truncate A. geniculatus Bromus carinatus Hook. & Arn., California Brome - Yukon: sandy silt riverbar with Salix alaxensis and Taraxacum officinale surrounding camp, La Biche River, 60°'N 124°'W, B. Bennett 98-131, 17 June 1998 (DAO). Cody (1996) knew this introduced species in the Territory from a single site in the vicinity of Carcross. Cody et al. (1998) reported a second site from the vicinity of Watson Lake. The specimen cited above is an extension of the known range in the Territory of about 250 kilometers to the east of Watson Lake. Calamagrostis canadensis (Michx.) Beauv. ssp. cana- densis, Blue-joint - Yukon: lake edge, Sam Lake, Vuntut National park, 68°24'24"N 138°37,58"W, B. Bennett 00-1144, 5 Aug. 2000 (DAO). This is the northernmost collection yet found in the Territory. The nearest site known to Cody (1996) was about 85 kilometers to the southeast. Calamagrostis canadensis (Michx.) Beauv. ssp. langs- dorfii (Link) Hulten - Yukon: Beav
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