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Table 2. Vegetation Cover: 2002 Reclamation Areas (2009) <br />Area Number <br />Area 23 Area 25 <br />Species Name Common Name 1 2 3 4 5 6 7 R 9 <br />• <br />overall relative overall <br />In mean enver rank <br />Graminoids <br />Agropyron dasystachyum Thickspike Wheatgrass 2 2 0.40 0.61 15 <br />Agropyron trachycaulum Slender Wheatgrass 2 2 2 2 2 1.00 1.52 10 <br />Andropogon hallii Sand Bluestem 8 0.80 1.52 10 <br />Bouteloua gracilis Blue grama 4 2 0.60 0.91 13 <br />Bromus tectorum Cheatgrass 12 14 8 10 6 16 16 24 22 4 13.20 21.95 2 <br />Calamovilfa longifolia Prairie Sandreed 4 6 2 6 4 2.20 3.35 6 <br />Eragrostis cilianensis Stinkgrass 4 4 0.80 1.22 12 <br />Oryzopsis hymenoides Indian Ricegrass 2 2 2 0.60 0.91 13 <br />Panicum virgatum Switchgrass 2 0.20 0.61 15 <br />Graminoid Cover 19.80 32.01 <br /> <br />Forbs <br />Ambrosia psilostachya Ragweed 10 4 6 16 4 12 5.20 8.23 4 <br />Conyza canadensis Horseweed 2 0.20 0.30 18 <br />Erigeron spp. Daisy 2 0.20 0.30 18 <br />Eriogonum annuum Buckwheat 2 2 0.40 0.61 15 <br />Helianthus annuus Sunflower 2 20 26 2 4 10 2 8 12 8.60 14.33 3 <br />Kochia scoparia Kochia 38 4 18 14 18 4 40 44 8 18.80 30.18 1 <br />Lactuca serriola Prickly Lettuce 2 0.20 0.30 18 <br />Medicago lupulina Black Medic 4 4 4 2 1.40 2.74 8 <br />Melilotus officinalis Yellow Sweetclover 30 3.00 4.57 5 <br />Nuttallia nuda Blazingstar 10 8 1.80 3.35 6 <br />Sisymbrium altissimum Tumble Mustard 4 2 6 2 1.40 2.13 9 <br />Tribulus terrestris Puncturevine 2 0.20 0.30 18 <br />Forb Cover 41.40 67.38 <br />Vegetation Cover 68 74 50 56 46 64 48 82 76 48 61.20 100.00 <br /> Std. Dev. = 13.34 <br /> Nmin = 16 <br />Cryptogams 0 0 0 0 0 0 0 0 0 0 0.00 <br />Litter 22 20 30 32 28 36 24 12 22 40 26.60 <br />Bare 10 6 20 12 26 0 28 6 2 12 12.20 <br />Rock 0 0 0 0 0 0 0 0 0 0 0.00 <br />Note: all data presented in percent (%) cover <br />Coors Energy Company Keenerburg Mine Page 21 <br />2009 Revegetation Monitoring Report