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Table 2.6-4. Native (potential) vegetation for determining range condition on <br />brushy loam range sites. (1) <br />Percentage composition by weight of the principal species may total as much as: <br />Grasses and grasslike: <br />mountain brome 10 <br />elk sedge 10 <br />nodding brome 10 <br />slender wheatgrass SO <br />native needlegrass 5 <br />western wheatgrass 5 <br />Junegrass 5 <br />native fescues 5 <br />oniongrass 5 <br />muttongrass 5 <br />Forbs: <br />American vetch 3 <br />cow parsnip 3 <br />• western yarrow <br />lupine 3 <br />3 <br />tall bluebells 2 <br />aspen peavine 2 <br />low larkspur T <br />bedstraw T <br />Shrubs: <br />oakbush ) <br />serviceberry ) <br />chokecherry ) <br />snowberry ) <br />rose 5 <br />sage (Silver b Big) ~ 5 <br />35 <br />(1) This site is generally treeless, except for possibly a few scattered aspen, <br />which have little or no market value. Optimum ground cover is 60 percent. <br />Invaders on this site include rabbitbrush <br />and downy bromegrass. <br />u <br />Kentucky bluegrass, Canada thistle <br />2-333 <br />