2010-12-27_REVISION - C1981019 (3)

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Table 1 Colo o - Vegetation Cover - 2007 (Page i of 2) Mea I x v�..� >k'a..h Area -> Phase II Mountain Sagebrush Weighted Shrub R.A. R.A. Reference Wei ht -> 100% 55% 45% Values Grasses and Grass -likes N P Agropyron albicans Griffiths Wheatgrass - 0.40 2.25 1.23 I P Agropyron cristatum Crested Wheatgrass 4.67 - - - N P Agropyron das stack um Thicks ike Wheat rass 11.36 - 1.05 0.47 I P Agropyron intermedium Intermediate Wheatgrass 5.88 - - - N P Agropyron nparium Streambank Wheatgrass 1.76 - - - I P A gropyron sibencum Siberian Wheat rass 2.15 - 0.05 0.02 N P Agropyron smithii Western Wheatgrass 0.48 2.15 4.65 3.28 N P Agropyron spicatum Bluebunch Wheatgrass 0.79 - - - N P Agropyron s icatum inerme Beardless Bluebunch W. 0.30 - - - N P Agropyron trachycaulum Slender Wheatgrass 2.15 6.30 - 3.47 I P Agropyron trichophorum Pubescent Wheatgrass 0.52 - - - I P Bromus inermis Smooth Brome 2.06 - 1.50 0.68 I A Bromusjaponicus Japanese Brome 5.15 - 10.50 4.73 N P Bromus marginatus Mountain Brome 0.85 0.70 - 0.39 I A Bromus tectorum Cheat grass; 3.82 4.55 2.25 3.52 N P Carexgeyeri Elk Sedge - 2.95 - 1.62 I P Dactylisglomerata Orchardgrass 1.45 - - - N P El mus cinereus Basin Wild rye 1.91 - - - I P Elymusjunceus Russian Wildrye 2.33 - - N P Festuca ovina/saximontana Hard Fescue 0.91 - - - N P Hordeum jubatum Foxtail Barley 0.45 - - - N P Koeleria macrantha Prairie Junegrass - - 2.85 1.28 N P Oryzopsis hymenoides Indian Ricegrass - - 0.60 0.27 I P Phleum pratense Timothy 0.52 - - - N P Poa agasizensis Bluegrass - 7.75 2.10 5.21 N P Poa fendleriana Mutton Bluegrass - - 0.90 0.41 I P Poa ratensis Kentucky Blueqrass 7.70 - - N P Poa secunda Sandberg Bluegrass 0.24 0.20 6.00 2.81 N P Sitanion hystrix Bottlebrush Squirreltail - 0.35 0.35 0.35 N P Sti a lettermanii Letterman Needle grass - 3.15 - 1.73 N P Sti a nelsonii Nelson Needle rass 5.35 2.94 Forbs N P Achillea lanulosa Western Yarrow 0.03 0.60 0.55 0.58 N P AIlium textile Wild Onion - 0.10 0.20 0.15 I A Al scum al ssoides Pale Madwort - 0.25 - 0.14 I A Alyssum desertorum Desert Madwort - - 1.85 0.83 N A Androsace occidentalis Western Rockjasmine - - 0.15 0.07 N P Arenaria hookeri Hooker's Sandwort - - 0.35 0.16 I P Astragalus cicer Cicer Milkvetch 4.79 - - - N P Astragalussp. Milkvetch 0.03 - - - N P Astra alus tenellus Looseflower Milkvetch - - 0.60 0.27 N P Balsamorhiza sagittata Arrowleaf Balsamroot - - 0.05 0.02 W B Cirsium vulgare Bull Thistle 0.06 - - - N A Collinsia arviflora Maiden Blue-eyed Ma - 0.05 0.05 0.05 N A Collomia linearis Slenderleaf Collomia 0.12 0.10 0.10 0.10 N A Cordylanthus wiightii Wright's Bird's Beak - - 0.10 0.05 N P Cre is occidentalis Lar eflower Hawksbeard - - 0.10 0.05 N P Cymopterussp. Springparsley - - 0.05 0.02 N A Draba nemorosa Woodland Draba - - 0.10 0.05 N P Galium bifolium Twinleaf Bedstraw - 0.60 - 0.33 N B Grindelia squarrosa Curlycup Gumweed 0.18 - - I B Lactuca serriola Prickly Lettuce 0.15 - N P Lath rusleucanthus Peavine - 0.05 - 0.03 N P Lin um lewis# Lewis Flax 2 .14 CEDAR CREEK ASSOCIATES, Inc. Page 12 Colowyo Coal Company 2007 Phase II Evaluation (Updated Dec -10)