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Table 2. TRENDS IN MEAN COVER FOR THE PORTION OF THE RECLAIMED AREA SEEDED <br />IN 1984. WALDEN COAL PROJECT SITE. BASED ON DATA COLLECTED IN <br />JULY, 1989-1992. MEAN COVER VALUES ARE IN PERCENT. <br />Species <br />1989 1990 1991 1992 <br />Sample Size 6 6 6 6 <br />COOL SEASON PERENNIAL GRASSES <br />Agropyron dasyetachyum 9.33 9.67 6.00 8.33 <br />Agropyron emithii 1.00 0.67 0.01 0.00 <br />Agropyron epicatum 0.00 0.01 0.00 0.00 <br />Deechampaia caespitosa 0.00 0.01 0.00 0.00 <br />Hordeum brachyantherum 0.00 0.33 0.00 0.00 <br />Oryzopsis hymenoides 0.00 0.01 0.00 0.01 <br />Poa ampla 2.33 0.00 0.00 0.00 <br />Stipa comata 0.00 0.00 0.00 0.33 <br />Stipa viridula 6.00 3.33 0.01 4.33 <br />Subtotal 18.67 14.03 6.02 13.01 <br />INTRODUCED PERENNIAL GRASSES <br />Agropyron cristatum 0.00 0.00 0.00 0.01 <br />Agropyron intermedium 0.00 0.00 0.00 0.33 <br />Bromus inermis 0.00 0.00 0.00 0.01 <br />Elymvs junceus 0.33 1.67 0.33 1.67 <br />Poa pratensis 0.00 0.33 0.01 0.00 <br />Subtotal 0.33 2.00 0.34 2.02 <br />PERENNIAL FORBS <br />Achilles lanulosa 0.00 0.01 0.00 0.01 <br />Astragalus titer 0.00 0.33 0.00 0.00 <br />Astragalus crassicarpue 0.00 0.01 0.00 0.00 <br />Astragalus kentrophyta 0.00 0.00 0.01 0.00 <br />Penstemon atrictus 0.00 0.00 0.00 0.01 <br />Rumex ealicifolius 0.00 0.00 0.01 0.00 <br />Subtotal 0.00 0.35 0.02 0.02 <br />ANNUAL AND BIENNIAL FORBS <br />Chenopodium pratericola 0.00 0.01 0.00 0.00 <br />Machaeranthera canescens 0.00 0.00 0.00 0.01 <br />Subtotal 0.00 0.01 0.00 0.01 <br />SEMI-SHRUBS OR HALF-SHRUBS <br />Artemisia frigida 0.00 0.01 0.33 0.01 <br />Subtotal 0.00 0.01 0.33 0.01 <br />SHRUBS <br />Artemisia tridentata 4.67 8.67 10.67 11.33 <br />Chrysothamnus nauaeosus 0.00 0.00 0.01 0.00 <br />Subtotal 4.67 8.67 10.68 11.33 <br />-8- <br />