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-- 2. <br /> page 3 #202 <br /> PLANT COMP. <br /> SYNBOL COMMON NAME SCIENTIFIC NAME PERCENT <br /> FORBS CONT <br /> ANR02 ROSE PUSSYTOES ANTENNARIA ROSEA T 1 <br /> SED01 THREADLEAF GROUNDSEL SERECIO DOUGLASIY LONGILOBUS T 1 <br /> AMPS WESTERN RAGWEED AMBROSIA PSILOSTACHYA T 3 <br /> OTHER NATIVE FORBS <br /> SHRUBS AND HALF-SHRUBS <br /> EULA5 WINTERFAT EUROTIA LANATA 1 5 <br /> ARFR4 FRINGED SAGEBRUSH ARTEMISIA FRIGIDA 1 2 <br /> GUSA2 BROOM SNAKEWEED GUTIERREZIA SAROTHRAE 1 2 <br /> CHNAG2 GREEN PLUME RABBITBRUSK CHRYSOTHAMNUS NAUSEOSUS 1 2 <br /> ATCA2 FOURWING SALTBUSH ATRIPLEX CANESCENS T 2 <br /> TECA2 GRAY HORSEBRUSH TETRADYMIA CANESCENS T 1 <br /> OPPO PLAINS PRICKLYPEAR OPUNTIA POLYACANTHA T 1 <br /> YUGL SMALL SOAPWEED YUCCA GLAUCA T 3 <br /> OTHER NATIVE SHRUBS <br /> 1/ Names according to National List of Scientific Plant Names <br /> SCS-TP-159. <br /> C. Overgrazing with cattle will result in western <br /> wheatgrass, green needlegrass, big bluestem, mountain <br /> muhly, switchgrass, Griffith wheatgrass, Indian <br /> ricegrass, little bluestem, sideoats grams, muttongrass <br /> fourwing saltbush and winterfat will decrease in the <br /> plant community. Blue grama, prairie junegrass, sun <br /> sedge, bottlebrush squirreltail, and Sandberg bluegrass <br /> will increase. Overgrazing with sheep wiii cause <br /> slimflower scurfpea, scarlet globemallow, rose <br /> pussytoes, fringed sagebrush, and green plume <br /> rabbitbrush to decrease. With further deterioration of <br /> the site blue grama, prairie. junegrass, sun sedge, <br /> bottlebrush squirreltail, and Sandberg bluegrass will <br /> disappear and be replaced by red threeawn and sand <br /> dropseed. These grasses, with continued destructive <br /> grazing, will be invaded by sleepy grass, ring mutely, <br /> buffalo grass, and cheatgrass. The forb and shrub <br /> species which will, at first signs of regression <br /> increase and under further deterioration decrease are <br /> Drummond milkvetch, western ragweed and dotted <br /> i gayfeather. Continued ecological regression will cause <br /> plants such as wormwood, hairy goldaster, plains <br /> pricklypear, broom snakeweed small soapweed, gray <br /> horsebrush, pinque hymenoxys gamble oak, oneseeded <br /> juniper Rocky Mountain juniper, .pinyon pine, tall <br /> rabbitbrush, and New Mexico locust to dominate the site. <br />