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r <br />i <br />Table 2 Colo o - Vegetation Cover - 2008 (Page 2 of 2) <br />Relative Ground Cover Summary <br />Sampling Year -> 2007 2008 <br />Area -> Phase III Mountain Sagebrush LPhas tain Sagebrush <br /> Shrub R.A. R.A. Shrub R.A R.A. <br />Wei ht 100% 55% 45% 00% 55% 45% <br />ors Continued <br />A epi ium ensi orum Prairie epperwee - - ,1 _ <br />N P Lin um lewisii Lewis Flax 0.62 0.52 0.47 - 0.35 <br />N P Lomatium dissectum Fernleaf Biscuitroo - - 0.17 <br />N P Lupinus caudatus Tailcup Lupine 1.24 0.44 7.22 - <br />N P Lupinussp. Lupine - 0.09 - <br />N B Machaeranthera canescens Hoary Aster - 0.09 <br />I P Medicago saliva Alfalfa 4.19 - 5.36 - <br />N P Phlox hoodii Hood Phlox - - 0.35 <br />I A Ranunculus testiculatus Nut Buttercup 0.05 0.28 - - <br />N P Senecio multilobatus Lobeleaf Groundsel - 0.18 - 0.16 <br />I A 51symbrium altissimum Tumble Mustard 0.05 - 0.05 - - <br />N P Sphaeralcea coccinea Scarlet Globemallo - 0.09 0.69 <br />N P Stenotusarmerioides Thrifty Goldenweed - 3.67 - 0.24 2.68 <br />I A 7h/aspiarvense Field Pennycress 0.19 0.09 0.05 0.24 - <br />I B Tragopogon dubius False Salsi 0.05 0.17 0.09 0.16 0.52 <br />m enti a e 0.09 1 0.05 1 - - _ <br />Sub-shrubs <br />eratoi es anata ante a 0.35 - 0.86 <br />N P Enogonum microthecum Slender Buckwheat - 0.26 <br />N P Gutierrezia sarothrae Snakeweed 1.83 <br />1 <br />1 - 5.01 <br />a oma repens creeping a er - 0.40 - <br />Shrubs, Cacti & Trees <br />Ameac ieram is ervice er 1.42 1 0.87 <br />N P Artemisia cana Silver Sage - - - - <br />N P Artemisia Wdentata wyo. Wyo. Big Sagebrush 0.29 20.05 17.47 0.47 19.52 16.51 <br />N P Atnplexcanescens Four-wing Saltbush - - - - - - <br />N P Chrysothamnusnauseosus Rubber Rabbitbrush 0.53 - 0.71 0.56 0.09 <br />N P Ch othamnus viscidiPlorus Low Rabbitbrush 0.53 0.70 - 2.30 0.43 <br />N P Mahonia repens Creeping Barberry 0.09 - - - <br />N P Prunus viryiniana Chokecherry - - 0.16 <br />N P Quercusgambelii GambelOa 4.88 - 3.49 <br />N P Rosa sp. Ornamental rose - - 0,47 - <br />N P Symphoricarposoreophilus Mountain Snowberry 7.81 3.84 0.05 10.40 2.68 <br />Summa b Lifeform: <br />Perennial Grasses 80.71 52.00 38.95 76.80 37.46 28.26 <br />Annual Grasses 2.10 8.07 22.27 4.75 9.84 38.12 <br />Perennial Forbs 15.81 3.82 8.12 15.39 12.22 5.01 <br />Annual & Biennial Forbs 1.10 0.80 4.45 1.36 2.62 1.90 <br />Noxious / Aggressive Weeds - - - - 0.16 - <br />Sub-Shrubs - - 2.18 - 0.40 6.14 <br />Shrubs 0.29 35.31 24.02 1.69 37.30 20.57 <br />Diversity Number of Species with between 3% - 50% Relative Cover :. <br />Number of Perennial Grasses = 7 6 5 7 6 4 <br />Number of Perennial Forbs = 2 0 1 2 1 0 <br />CEDAR CREEK ASSOCIATES, Inc. Page 18 Colowyo Coal Company <br />2008 Phase III Bond Release Evaluation