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<br />Table 4. (COnt'd~. TRENDS IN MEAN COVER FOR THE PORTION OF THE RECLAIMED AREA SEEDED IN 1988. WALDEN <br /> COAL PROJECT SITE. BASED ON DATA COLLECTED BETWEEN 1989 AND 1995. MEAN COVER <br /> VALUES ARE IN PERCENT. <br /> 1989 1990 1991 1992 1993 1999 1995 <br />Festuca ovina 0.00 2.14 2.86. 0.01 0.43 3.71 0.57 <br />Subtotal 0.14 8.58 6.72 10.89 11.14 13.14 23.02 <br />ANNUAL GRASSES <br />Bromus tectorum 0.00 0.01 0.00 0.00 0.00 0.00 0.00 <br />Subtotal 0.00 0.01 0.00 0.00 0.00 0.00 0.00 <br />PERENNIAL FOABS <br />Achilles lanulosa 0.14 0.01 0.01 0.00 0.00 0.00 0.01 <br />Astra galas ci cer 0.00 0.01 0.00 0.00 0.00 0.00 0.00 <br />~ Astra gal us crassicarpus 0.00 0.00 0.00 0.00 0.00 0.01 0.01 <br />N <br />~" Astra galas kentrophyta <br />i 0.00 0.00 0.00 0.00 0.00 0.01 0.00 <br />Oxytropis lambertii 0.00 0.00 0.00 0.00 0.00 0.00 0.01 <br />Penstemon stri ctus 0.00 0.01 0.01 0.01 0.01 0.01 0.14 <br />Ta raxacum officinale 0.00 0.00 0.00 0.00 0.00 0.00 0.01 <br />Subtotal 0.19 0.03 0.02 0.01 0.01 0.03 0.1E <br />ANNUAL AND BIENNIAL FORBS <br />Ca rduus nutans 0.00 0.00 0.01 0.00 0.00 0.00 0.00 <br />Chenopodium album 0.00 0.00 0.00 0.00 0.00 0.00 0.01 <br />Chenopodium atrovi tens 1.57 0.01 0.01 0.00 0.00 0.00 0.00 <br />Chenopodium berlandieri 9.93 2.57 0.00 0.00 0.00 0.00 0.00 <br />Descurainia richardsonii 0.00 0.01 0.00 0.01 0.00 0.00 0.00 <br />Kochia scopa ria 0.00 0.01 0.00 0.00 0.00 0.00 0.00 <br />Ma chaeranthera canescens 0.00 0.00 0.00 0.00 0.00 0.01 0.01 <br />Salsola kali 0.57 0.71 0.93 0.00 0.00 0.00 0.00 <br />Sisymbri um altissimum 0.00 0.01 0.00 0.01 0.00 0.00 0.00 <br />Solanum triflorum 0.00 0.00 0.00 0.01 0.00 0.00 0.00 <br />Subtotal 6.57 3.33 0.45 0.03 0.00 0.01 0.02 <br />