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Table 5. COVER, FREQUENCY AND IMPORTANCE VALUE SUMMARY FOR THE RECLAIMED AREA AT THE WALDEN COAL <br />PROJECT SITE. BASED ON 1994 (AUGUST 3) DATA FROM TWENTY 25-METER POINT TRANSECTS. +/- <br />VALUES EQUAL THE STANDARD DEVIATION. <br /> <br />Species Mean <br />Cover <br />($) Relative <br />Cover <br />($) Range of <br />Cover Values <br />($) Percent <br />Frequency <br />($) Relative <br />Frequency <br />(e> Importance <br />Value <br />Rank <br />COOL SEASON PERENNIAL GRASSES <br />Agropyron dasystachyum 10.50 36.83 2 - 22 100.00 28.57 65.40 1 <br />Agropyron smithii 0.40 1.40 0 - 4 15.00 4.29 5.69 7 <br />Agropyron spicatum <0.01 <0.01 0 - <1 0.00 0.00 0.00 10 <br />Ceratochloa marginata <0.01 <0.01 0 - <1 0.00 0.00 0.00 10 <br />Oryzopsis hymenoides 0.10 0.35 0 - 2 5.00 1.43 1.78 9 <br />Poa ampla <0.01 <0.01 0 - <1 0.00 0.00 0.00 10 <br />Stipa viridula 0.90 3.16 0 - 6 30.00 8.57 11.73 5 <br />Sub-total 11.90 41.75 <br />N INTRODUCED PERENNIAL GRASSES <br />~ Agropyron cristatum <0.01 <0.01 0 - <1 0.00 0.00 0.00 10 <br />~ Agropyron intermedium 0.20 0.70 0 - 4 5.00 1.43 2.13 8 <br />Alopecurus pratensis 0.50 1.75 0 - 4 20.00 5.71 7.47 6 <br />Elymus junceus 6.90 24.20 0 - 16 80.00 22.86 47.06 2 <br />Festuca ovina 2.60 9.12 0 - 16 55.00 15.71 24.83 4 <br />Poa pratensis <0.01 <0.01 0 - <1 0.00 0.00 0.00 10 <br />Sub-total 10.20 35.78 <br />PERENNIAL FORBS <br />Ach illea lanulosa <0.01 <0.01 0 - <1 0.00 0.00 0.00 10 <br />Astragalus crassicarpus <0.01 <0.01 0 - <1 0.00 0.00 0.00 10 <br />Astragalus kentrophyta <0.01 <0.01 0 - <1 0.00 0.00 0.00 10 <br />Penstemon strictus <0.01 <0.01 0 - <1 0.00 0.00 0.00 10 <br />Rumex salicifolius <0.01 <0.01 0 - <1 0.00 0.00 0.00 10 <br />Sub-total <0.01 <0.01 <br />ANNUAL AND BIENNIAL FORBS <br />Cordylanthus Nrightii <0.01 <0.01 0 - <1 0.00 0.00 0.00 10 <br />Machaeranthera canescens <0.01 <0.01 0 - <1 0.00 0.00 0.00 10 <br />Sub-total <0.01 <0.01 <br />