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<br />Table 8. COVER, FREQUENCY AND IMPORTANCE VALUE SUMMARY FOR THE SHRUBLAND REFERENCE AREA AT THE <br />WALDEN COAL PROJECT SITE. BASED ON 1997 (AUGUST 19) DATA FROM FIFTEEN 25-METER POINT <br />TRANSECTS. +/- VALUES EQUAL THE STANDARD DEVIATION. <br /> Mean Relative Range of Percent Relative Importance <br />Species Cover Cover Cover Values Frequency Frequency Value Rank <br /> <br />COOL SEASON PERENNIAL GRASSES <br />Agropyron dasystachyum 1.20 2.82 0- 4 53.33 7.02 9.83 7 <br />Calamagrostrs montanensis <0.01 <O.OI 0- <1 0.00 0.00 0.00 15 <br />Carex eleocharis 0.07 0.16 0- 1 6.67 0.88 1.03 14 <br />Carex heliophila 0.33 0.78 0- 1 33.33 4.39 5.17 9 <br />Festucatdahoensis 9.40 22.06 0- 17 93.33 12.28 34.34 2 <br />Juncus balticus <0.01 <0.01 0- <1 0.00 0.00 0.00 15 <br />Koeleria macrantha 1.67 3.91 0- 5 80.00 10.53 14.44 6 <br />r`"-~ Poa jendleriana 0.27 0.63 0- 2 13.33 1.75 2.38 11 <br />Poa sandbergit <0.01 <0.01 0- <1 0.00 0.00 0.00 15 <br />Sttanion longtjolium <0.01 <0.01 0- <1 0.00 0.00 0.00 15 <br />Stipa tomato 1.13 2.66 0- 4 53.33 7.02 9.68 8 <br />Sbpa lettermanii 2.80 6.57 0- 5 93.33 12.28 18.85 4 <br />Sub-total 16.87 39.59 <br />INTRODUCED PERENNIAL GRASSES <br />Festuca pratensis 0.53 1.25 0- 8 6.67 0.88 2.13 12 <br />Sub-total 0.53 1.25 <br />FORBS <br />Chenopodium sp. <0.01 <0.01 0- <1 0.00 0.00 0.00 15 <br />Sub-total <0.01 <0.01 <br />PERENNIALFORBS <br />Androsace septentrionalis <0.01 <0.01 0- <1 0.00 0.00 0.00 l5 <br />