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RANGE SITE NO. 285 Page 2 <br /> FOOTHILL SWALE <br /> August 1975 <br /> Native (potential ) Vegetation and Guide for Determining Range <br /> Condition. <br /> Percentage composition by weight of the principal species may <br /> total as much as: <br /> Grasses and grasslike: <br /> Basin wildrye 50 <br /> Western wheatgrass 10 <br /> Streambank wheatgrass 10 <br /> Indian ricegrass 5 <br /> Squirreltail 5 <br /> Nevada bluegrass 5 <br /> Slender wheatgrass 3 <br /> Needle-and-thread 3 <br /> Beardless bluebunch wheatgrass 2 <br /> Bluebunch wheatgrass 2 <br /> Sand dropseed 2 <br /> Forbs: <br /> Yarrow ) <br /> Bladderpod ) <br /> Fleabane ) <br /> Globemallow ) 10 <br /> Indian paintbrush ) <br /> Wild buckwheat ) <br /> Herbaceous sage 1 <br /> Shrubs: <br /> Big sagebrush 10 <br /> Rubber rabbitbrush 5 <br /> Fourwing saltbush 5 <br /> Invaders of this site are cheatgrass, Kentucky bluegrass, cactus, <br /> thistle, lambsquarter, mustard, snakeweed, and greasewood. <br /> 4. Total Annual Production <br /> Favorable years 3000 Pounds per Acre Air Dry <br /> Unfavorable years 1000 <br /> Median years 2000 <br />