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• <br />• <br />r <br />Table 1 Hamilton - Vegetation Cover - 2009 <br />Species Observed <br />Area —> <br />Hamilton <br />I <br />Adjacent <br />Reference <br />Sagebrush <br />Ref. Area <br />Grassland <br />Ref. Area - <br />Sagebrush <br />Ref. Area - <br />Grassland <br />Ref. Area - <br />Grasses and Grass -likes I <br />Reveg <br />Area <br />South <br />South <br />North <br />North <br />Nw P Aristida purpurea Purple Threeawn <br />X <br />X <br />Nw P Bouteloua graci /is Blue Grama <br />X <br />X <br />X <br />X <br />X <br />X <br />I A Bromus tectorum Cheatgrass <br />X <br />........... <br />X .......................................................... <br />X <br />............................... <br />X <br />............................ ............................... <br />I P E/ymusjunceus Russian Wild Rye <br />X <br />Nw P Hilana jamesii James' Galleta <br />X <br />X <br />X <br />X <br />X <br />N P Orympsis hym enoldes Indian Ricegrass <br />X <br />X <br />X <br />N P Sitanion hystrix Bottlebrush Squirreltail <br />X <br />X <br />X <br />X <br />Nw P Sporobolus airoides Alkali sacaton <br />X <br />X <br />N P Stipa comata Needle and Thread <br />X <br />X <br />X <br />X <br />X <br />X <br />Forbs <br />NW P Acroptilon repens Russian knapweed <br />X <br />I P Astragalus cicer Chickpea Milkvetch <br />X <br />I P Cardaria draba White Top <br />X <br />............................... <br />................................................................................. ................. <br />I B Carduus nutans Musk Thistle <br />......................................................................................... <br />X <br />NW P Convolvulus arvensis Field Bindweed <br />X <br />N P Engeron pumdus Shaggy Fleabane <br />X ......................................................... <br />............................... <br />................ ............................... ...... ............................... <br />N P Eriogonum sp. Buckwheat <br />X <br />I A Erod /um cicutanum Redstem Stork'sbill <br />X <br />X <br />X <br />N P Happlopappus sp. Happlopappus sp <br />........................................................................................ <br />............................... <br />X <br />................. ............................... <br />N P HeterotheCa vi!losa Hairy Goldaster <br />X <br />N A Lappula redowskii Flatspine Stickseed <br />X <br />N P L/num Lewis// Blue Flax <br />X <br />............................... <br />............................................................................................................................................................................................. <br />I P Marrubium vulgare Horehound <br />X <br />N P Mirabilissp Mirabilis <br />X <br />X <br />N P Penstemon strkWs Rocky Mtn. Penstemon <br />X <br />............................... <br />............................................................................................................................................................................................. <br />N P Phlox longifo/ia Longleaf Phlox <br />X <br />X <br />X <br />X <br />I A Sa /so /a kali Russian Thistle <br />X <br />I A/B Sisymbrium ald-lmum Tall Tumblemustard <br />X <br />X <br />X <br />................... <br />..................... ............................... ................................................. <br />N P Sphaerelcea cocanea Scarlet Globemallow <br />X <br />............................... <br />X <br />X <br />X <br />I B Tragopogon dub /us False Salsify <br />X <br />X <br />Shrubs, Cacti & Trees <br />N P Artemisia tridentate var. wyo. Wyo. Big Sagebrush <br />X <br />X <br />X <br />,X <br />X <br />X <br />N P Atriplex canescens Fourwing saltbush <br />X <br />X <br />X <br />N P Atriplexgardnerl Saltbush <br />X <br />............................... <br />............................................................................................................................................................................................. <br />N P Juniperus scopulorum Rocky Mtn. Juniper <br />X <br />N p Krascheninnikovia /ante Winterfat <br />X <br />N P Gutierrezia saroMfae Broom Snakeweed <br />X <br />X <br />X <br />X <br />............................... <br />X <br />............................................................................................................................................................................................. <br />N P Opunda polyacantha Prickly -Pear <br />X <br />X <br />X <br />X <br />X <br />N P Pinus edulis Pinyon Pine <br />X <br />Number of Annual /Biennial Species Observed <br />7 <br />2 <br />0 <br />3 <br />2 <br />1 <br />Number of Perennial Species Observed <br />21 <br />13 <br />6 <br />12 <br />9 <br />12 <br />Total Species Observed <br />28 <br />15 <br />6 <br />15 <br />11 <br />13 <br />Number of Introduced Species Observed <br />10 <br />2 <br />0 <br />4 <br />2 <br />1 <br />CEDAR CREEK ASSOCIATES, Inc. Page 12 Hamilton Mine - Revegetation Evaluation - 2009 <br />