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<br />Table 2. COVER, FREQUENCY AND IMPORTANCE VALUE SUMMARY FOR THE AREA RECLAIMED 1N 1984 AT THE <br />WALDEN COAL PROJECT SITE. BASED ON 1998 QULY 30) DATA FROM FIFTEEN 25-METER POIM TRANSECTS. <br />+~-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 4.00 12.88 1 - 8 100.00 10.64 23.51 2 <br />Agropyron smithii 0.07 0.21 0 - 1 13.33 1.42 1.63 13 <br />Festuca idahoensis <0.01 <0.01 0-<I 6.67 0.71 0.71 16 <br />Poa ampla 0.07 0.21 0 - 1 13.33 1.42 1.63 13 <br />Poa sand6ergii 0.07 0.21 0 - 1 6.67 0.71 0.92 15 <br />Stipa viridula 2.53 8.15 0 - 7 100.00 10.64 18.79 3 <br />Sub-total 6.73 21.67 <br />r <br />N <br />INTRODUCED PERENNIAL GRASSES <br />Agropyron cristatum <0.01 <0.01 0-<1 13.33 1.42 1.42 14 <br />Agropyron intermedium 0.13 0.43 0 - 1 53.33 5.67 6.10 7 <br />Bromus inermis <0.01 <0.01 0 - 1 20.00 2.13 2.13 12 <br />Elymus junceus 2.20 7.08 0 - 6 93.33 9.93 17.01 4 <br />Festuca ovina 0.13 0.43 0 - 2 60.00 6.38 6.81 5 <br />Poa pratensis 0.07 0.21 0 - 1 26.67 2.84 3.05 10 <br />Sub-total 2.53 8.15 <br />PERENNLAL FORBS <br />Achillca lanulosa 0.13 0.43 0 - 1 60.00 6.38 6.81 5 <br />Androsace septenhionalis <0.01 <0.01 0- <1 6.67 0.71 0.71 16 <br />Ashagalus kenhophyta <0.01 <0.01 0- <1 6.67 0.71 0.71 16 <br />Ashagalus purshii <0.01 <0.01 0- <1 13.33 1.42 1.42 14 <br />Medicago sativa <0.01 <0.01 0- <1 6.67 0.71 0.71 16 <br />Penstemon strictus 0.07 0.21 0 - 1 46.67 4.96 5.18 8 <br />Potentilla gracilis <0.01 <0.01 0- <1 13.33 1.42 1.42 14 <br />