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Table Affected area. Cover, frequency, and speciP~ iversity summaries for herb layer components in <br />the.orassland community. Species compositi~d species diversity values based on data fro <br />15 1.Om2 quadrats. All other values based o~, to from 25 l.om2 quadrats. ± values equal the <br />standard deviation (S.D.). Importance Value (I.V.) = Relative Cover + Relative Frequency. 1980 data. <br /> <br /> Range of <br /> Mean Relative Cover Percent Relative <br /> Cover Cover Values Frequency Frequency I.V. Rank <br />GRASSES AND SEDGES <br />Agropyron smithii 2 <br />7 29.67 <1- 6 100.0 10.95 40.55 1 <br />Agropyron spicatum ~rJ : <br />3 3.30 0- 3 33.3 3.65 6.95 8 <br />CaZamagrostis montanensis <0.1 <0.01 0-<1 60.0 b.57 6.57 11 <br />Cr_rex eZeocharis <0.1 <0.01 0-<1 6.7 0.73 0.73 17 <br />Xoeleria macrantha 0.1 1.10 0- 1 26.7 2.92 4.02 12 <br />Ury,^.opsis hymenoides ~ 6.59 0- 2 80.0 8.76 15.35 6 <br />Poa sandbergii < 1 <0.01 0-<1 6.7 0.73 0.73 1'/ <br />FORBS <br />~ Astragalus spatulatus <0.1 <O.C1 0-<1 33.3 3.65 3.65 14 <br />Astragalus tegetarius <0.1 <0.01 0-<1 6.7 0.73 0.73 17 <br />Astragalus tzn;dactiZicus 0.7 7.69 0- 3 73.3 8.02 15.71 5 <br />Coranara umbellatu 0.1 1.10 0- 1 6.7 0.73 1.83 15 <br />Eri,ogonum pauciflorum 0.6 6.59 0- 2 80.0 8.76 15.35 6 <br />Hymeno:cys richardsonii 1.4 15.38 0- 4 80.0 8.76 24.14 3 <br />Lesquerella montaria <0.1 <0.01 0-<1 13.3 1.46 1.46 16 <br />Paronyciiia sessiliflora 0.3 3.30 0- 2 33.3 3.65 6.95 8 <br />Phlox hoodii 1.5 16.48 0- 4 93.3 10.21 26.69 2 <br />Sphaeralcea cocci tea <0.1 <0.01 0-<1 6.7 0.73 0.73 17 <br />SEMI-SHRUBS <br />Artemisia frigida 0.6 6.59 0- 3 86.7 9.49 16.08 4 <br />Ceratoidas Janata 0.1 1.10 0- 1 53.3 5.84 6.94 10 <br />Cutierrezia sarothrae 0.1 1.10 0- 1 26.7 2.92 4.02 12 <br />