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Table 2. TRENDS IN BEAN COVER FOR THE PORTION OF THE RECLAIlfl;D AREA <br />SEEDED IN 1984. WALDEN COAL PROJECT SITE. BASED ON DATA <br />COLLECTED IN JULY, 1989, 1990, AND 1991. MEAN COVER VALUES <br />ARE IN PERCENT. <br />Species 1989 1990 1991 <br />Sample Size 6 6 6 <br />COOL SEASON PERENNIAL GRASSES <br />Agropyron daeystachyum 9.33 9.67 6.00 <br />Agropyron smithii 1.00 0.67 <0.01 <br />Agropyron epicatum 0.00 c0.01 0.00 <br />Deechampeia caespitoea 0.00 <0.01 0.00 <br />Hordeum brachyantherum 0.00 0.33 0.00 <br />Oryzopeis hymenoides 0.00 <0.01 0.00 <br />Poa ample 2.33 0.00 0.00 <br />Stipa viridula 6.00 3.33 <0.01 <br />Subtotal 16.67 14.00 6.00 <br />INTRODUCED PERENNIAL GRASSES <br />Elymus junceue 0.33 1.67 0.33 <br />Poa prateneie 0.00 0.33 <0.01 <br />Subtotal 0.33 2.00 0.33 <br />PERENNIAL FOABS <br />Achillea lanulosa <br />Aetragalue cicer <br />Aetragalue craeeicarpus <br />Aetragalue kentrophyta <br />Aumex salicifoliue <br />Subtotal <br />ANNUAL AND BIENNIAL FORBS <br />Chenopodium pratericola <br />Subtotal <br />SEMI-SHRUBS OR HALF-SHRUBS <br />Artemieia frigida <br />Subtotal <br />0.00 <0.01 0.00 <br />0.00 0.33 0.00 <br />0.00 <0.01 0.00 <br />0.00 0.00 <0.01 <br />0.00 0.00 <0.01 <br />0.00 0.33 <0.01 <br />0.00 <0.01 0.00 <br />0.00 <0.01 0.00 <br />0.00 <0.01 0.33 <br />0.00 <0.01 0.33 <br />