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11~19Ji999 16:32 ?19860525 LbDA TDAD P~'E ©9 <br />~^. ~ • • <br />.+~. w <br />' -3- Sha1p Plains 946 <br /> Symbol Common Hame Scientific Name Percent <br /> Forba <br /> HAFR Fremont goldenweed Haplopappus fremontii (2) <br />~ 0-2 <br /> IV AS pcvertyweed Iva ax111aria 0-2 <br /> SFCG scarlet globemallaw Sphaeralcea coccinea (3) 0-2 <br /> ASSIZ twograoved milkvecch Aetragalus bisulcatus (2) 0-2 <br /> others 0-2 <br /> Shrubs and Hall-Shrubs - <br /> ARBI3 Bigelov engebxueh Artemisia bigelovii T-1 <br /> SAVE4 black greasewood Sarcobatus vermiculatua T-2 <br /> XASA* broom snekevead %snthocephalum eerothrae 1-2 <br /> STPIP* desert princesplume Stanleye pinnate (3) T-l <br /> ATCAZ iourwing aeltbuah Atriplex canescens 5-10 <br /> GLME greaaabueh Glossopetalon meionendra T-1 <br /> PRJA James Frankenia Frankenia ~emeaii i-2 <br /> LYpA pale wolfberry Lycium pallidum 2-3 <br /> OPPO plains pricklypear Opuntis polyacantha (4) 1-2 <br /> ATCO shadscale Atriplex confertifolia 2-3 <br /> YUGL small soapweed Yucca glauca T-1 <br /> OPLMx valkingatick cholla Opuntle imbricate 1-2 <br />_ CELA2* vinterfat Ceratoides lanata 2-3 <br />_ <br />4 others 0-3 <br /> *Symbol not listed in National Lis^. of Scientific Plant Names. <br />c. If ecological retrogression is cattle-induced, palatable grasses <br />will decrease. Fowever, if retrogression ie sheep-induced, <br />deaf table forbe and shrubs map be reduced. Deeerioration of <br />this site caused by overgrazing of enttle will decrease the <br />percentage of alkali sacaton. With the decrease of alkali <br />escaton, galleta and blue grams will increase initially. Other <br />leas desirable grasses such ae ring muhly will rrplace the above <br />with serious decericrazion of the site. Forks will increase <br />such as povertyweed and shrubs such as Bigelow sagebrush, <br />fourving ealtbush and wintarfat will decrease. Heavy use during <br />the stmvner will cause tourwing anltbueh to disappear, heavy <br />graying use on winterfat during winter and early spring vr111 <br />cause 1t to disappear. Plant species likely to lavade or <br />Increase is density w?11 be broom snakeweed, plains pricklypear, <br />black greaaawood and valkingstick cholla and annuals such ae <br />tumbling Russian thistle and kochia will occupy the bare spots. <br />This Bice in a deteriorated condition will have large areas of <br />bare ao11 with very little amount of vegetative cover. <br /> <br />