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• s <br />23-Dec-91 TABLE 8. COVER DATA -MOUNTAIN BRUSH REFERENCE AREA, SENECA II MINE, PEABODY COAL - 1991 <br />RELATIVE RELATIVE <br />PLANT SPECIES AVERAGE VEGETATION AVERAGE VEGETATION <br />COVER FREQUENCY COVER COVER-ALL COVER-ALL <br />s <br />INTRODUCED PERENNIAL GRASSES <br />Agrostis alba 0.00 6.67 0.00 0.00 0.00 <br />Bromopsis inermis 0.13 6.67 0.16 0.13 0.09 <br />Phleum pratense 0.00 33.33 0.00 0.00 0.00 <br />Poa pratensis 1.47 33.33 1.71 2.93 2.02 <br />TOTAL INTRO. PERENNIAL GRASSES 1.6 53.3 1.9 3.1 2.1 <br />NATIVE SHRUBS <br />Amelanchier alnifolia 14.80 93.33 17.26 18.53 12.78 <br />Artemisia Cana 0.93 20.00 1.09 0.93 0.64 <br />Artemisia tridentata var. vaseyana 0.53 20.00 0.62 0.53 0.37 <br />Corpus stolon'rfera 0.00 13.33 0.00 0.00 0.00 <br />Cratae~us rivularis 0.00 6.67 0.00 0.00 0.00 <br />Mahonia repens 0.00 26.67 0.00 0.13 0.09 <br />Paxistima myrsinites 0.00 40.00 0.00 0.13 0.09 <br />Prunus virginiana 2.40 80.00 2.80 6.67 4.60 <br />Quercus gambelii 23.87 80.00 27.84 25.87 17.83 <br />Ribes inerme 0.13 26.67 0.16 0.13 0.09 <br />Ribes lacustre 0.00 6.67 0.00 0.00 0.00 <br />Rosa acicularis 0.00 33.33 0.00 0.40 0.28 <br />Rosa woodsii 0.00 46.67 0.00 0.53 0.37 <br />Symphoricarpos oreophilus 9.73 93.33 11.35 15.60 10.75 <br />TOTAL NATIVE SHRUBS 52.4 100.0 61.1 69.5 47.9 <br />NATIVE TREES <br />Populus tremuloides 0.40 13.33 0.47 0.40 0.28 <br />TOTAL NATIVE TREES 0.4 13.3 0.5 0.4 0.3 <br />Page 4 of 10 <br />