2009-11-02_REVISION - C1991078 (2)

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Table 1 Hamilton - Vegetation Cover - 2009 Species Observed Area-> Adjacent Sagebrush Grassland Sagebrush Grassland Hamilton Reveg Reference Ref. Area - Ref. Area Ref. Area - Ref. Area - Grasses and Grass-likes Area South South North North Nw P Aristida purpurea Purple Threeawn X X Nw P Bouteloua graci/is Blue Grama X X X X X X I A Bromus tectorum Cheatgrass .............................................. X ........ X ... X X I P E/ymus junceus Russian Wild Rye X .................. . .................... . .................... ................... . .................... Nw P Hilarla Jamesil James' Galleta X X X X X N P Oryzopsis hymenoides Indian Ricegrass X X X N P S/tan/on hystrix Bottlebrush Squirreltail X X X X Nw P Sporobo/us airoides Alkali sacaton X X N P Stipa comata Needle and Thread X X X X X X Forbs NW P Acroptilon repens Russian knapweed X I P Astragalus cicer Chickpea Milkvetch X I P Cardarla draba White Top ... ....... ........ ............................................................. .................. . X B I B Carduus nutans Musk Thistle .................... X .................... .................... .................... .................... .................... NW P Convo/vu/usarvensis Field Bindweed X N P Erigeron pumdus Shaggy Fleabane ............................................................................ X ......................... N P Eriogonum Sp. Buckwheat .................... .................... .................... .................... X .................... ................... I A Erod/um cicutar/um Redstem Stork'sbill X X X N P Happlopappus sp. Happlopappus sp. ......... X N P Heterotheca villosa Hairy Goldaster ........... X .................... .................... .................... .................... .................... N A Lappula redowskii Ratspine Stickseed X N P L/num Lewis# Blue Flax ................................................................ X ..................................... I P Marrubium vulgare Horehound .................... X .................... .................... .................... .................... ................... N P Mirabilis sp Mirabilis X X N P Penstemon strictus Rocky Mtn. Penstemon ........................................... ............ X ...................... ................... . N P Ph/ox /ongifo/ia Longleaf .. Phlox . .................... X .................... X .................... .................... X .................... .................... X I A Salsola kali Russian Thistle X I A/B Sisymbdum a/bssimum Tall Tumblemustard ....................................................... ............. X ........ X X p N P S haera/cea cocanea Scarlet Globemallow ............ X .................... X .................... .................... X .................... ................... X I B Tragopogon dubius False Salsify X X Shrubs, Cacti & Trees N P Artemisia tridentata var wyo. Wyo. Big Sagebrush X X X X X X N P Atriplex canescens Fourwing saltbush X X X N P Atriplex gardnerl Saltbush ............................................................. X ........................................ N P Juniperusscopulorum Rocky Mtn. Juniper .................... .................... .................... .................... .................... ................... X N P Kraschenlnnikovia lanata Winterfat X N P Guberrezia sarothrae Broom Snakeweed ................................................................ ....................... X X X X X N P Opuntia polyacantha Prickly-Pear X ......... X .................... .................... X .................... X .................... X N P Pinus edulis Pinyon Pine X Number of Annual/Biennial Species Observed 7 2 0 3 2 1 Number of Perennial Species Observed 21 13 6 12 9 12 Total Species Observed 28 15 6 15 11 13 Number of Introduced Species Observed 10 2 0 4 2 1 CEDAR CREEK ASSOCIATES, Inc. Page 12 Hamilton Mine - Revegetation Evaluation - 2009