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Mean density for the type was 37.7 stems /50m2 or 3,015 stems /acre (Table 2.04.10 -26). <br />Sagebrush dominated <br />Table 2.04.10 -24 <br />Mean Cover (percent) And Frequency Values For The Sagebrush - 2 <br />Vegetation Permit Expansion Study Area, 1999 <br />SPECIES MEAN PERCENT COVER (N =55) FREQUENCY <br />Annual Grasses <br />Anisantha tectorum 6_5 44 <br />Total Annual Grasses 6.5 -- <br />Perennial Grasses <br />Agropyron smithii <br />0.5 <br />04 <br />Bouteloua gracilis <br />0.2 <br />02 <br />Bromopsis inermis ssp. inermis <br />0.5 <br />02 <br />Poa pratensis <br />0.2 <br />02 <br />Sitanion longifolium <br />0_2 <br />13 <br />Total Perennial Grasses <br />1.6 <br />-- <br />Annual /Biennial Forbs <br />0.2 <br />-- <br />Descurainia richardsonii ssp. incisa <br /><0.1 <br />02 <br />Grindelia squarosa <br />0_7 <br />04 <br />Total Annual / Biennal Forbs <br />0.7 <br />-- <br />Perennial Forbs <br />Artemisia ludoviciana <br />0.7 <br />05 <br />Cirsium Arvense <br />0.5 <br />05 <br />Centaurea repens <br />0.2 <br />10 <br />Sonaeralcea coccinea <br />0_2 <br />02 <br />Total Perennial Forbs <br />1.6 <br />-- <br />Shrubs <br />Artemisia tridentata <br />36.9 <br />85 <br />Atriplex canescens <br /><0.1 <br />2 <br />Chrysothamnus nauseosus <br />8_5 <br />35 <br />Total Shrubs <br />45.4 <br />— <br />Lichen and Moss <br />Moss <br />0_2 <br />02 <br />Total Lichen and Moss <br />0.2 <br />-- <br />Minimum Sample size required (n m ; r ,)= 30 (based on total living cover) <br />(Revised October 2009) 2.04.10-85 <br />