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111-0;:339 10:32 <br />,_ ~ <br />/~ <br />,', ~_ <br />`~ ,~~ <br />Forbs <br /> <br />?1981F,©525 USDA ',DAD PAGE 14 <br />-3- Loamy Plains p6 <br />Common Name Scientific Neme ~ Percent <br />':HPI ~ Colorado greenthread~ ~~ Thelesperma filifol~~ T-1 <br />GRSQ curlycup gumweed Grindalia squarroea (41 T-1 <br />OEC02 eutleaf evening primrose Oenothera coronopifolia 7-1 <br />LIPU~ ~ dotted gayfeather Lietris punctata T-1 <br />HEt~I4k hairy goldaster Aeterotheca villoea T-1 <br />PHHD Aoods phlox ~ ~ ~ Phlax~hoodl3 ~ 0-1 <br />AASP2 ironplant goldenweed Aaplopappus spinulosus T-1 <br />ASPFS narrovleaf poisorvetch Astragalus pectioatus T-1 <br />PEAD14 narrowleaf penatemon .. penatemod anguacifolius 1L1 <br />PIDP''' plains 6ahia Picradeniopsis ._ <br /> ,.. oppoaitifolia T-1 <br />DAPU4* purply prairieclover Dalaa purpurea (2) 7-1 <br />L]JU rush akeletonplant Lygodesmia ~uncea T-1 <br />GACOS eearlet gnus Geuca coccinea T-1 <br />SpCO scarlet globemallow Spheeralcea coccinea (3) T-2 <br />ORSE silky erazpveed Orytropie sarirea T-1 <br />-SDNU silky aophora 9ophora nuttalliana T-1 <br />PSTE3 slimflower acurfpee Psoralea tenuiflora T-1 <br />RAC03 upright 9rairie coneflower Ratibida columntfara T-1 <br />SEHU4 variable senec'_o Senecio mutabilis T-1 <br />PLPA2 wooly Indianwheat Plantago patagonica (2) T-1 <br />ASH07 wooly locoweed Astragalua mo213seimus (2) T-1 <br />ARDR4 aormvood Artamisia dracunculuc T-I <br />Shrubs <br />1'.ASA* broom anakeweed [anthocephalum sarothrae 0-T <br />ATCA? fou n+ing ealtbush Atriplex canesccna T-5 <br />OPPO plains pricklypear ~ 'Opuntie~polyac_anthe (4) 'P-1~ <br />CANAN* rubber rabbitbcuah Chrysothannue nauseosus (6) C-r <br />YUGL small eoapweed Yucca glauca 0-1 <br />EREP spreading eriogonum Etiogonum effusum G-T <br />OPIM* walking seick cholla Opuntia imbzieate T-2 <br />CELA2* winte:fat ~~ Ceratoides Janata T-5 <br />*Symbol not listed in National List of Scientific Plant ?iamea. <br />c. If ecological retrogression is cattle-induced, desirable grasses <br />will decrease. However, if retrogression is sheep-induced, <br />deaira6l¢ forbe and shrubs may be reduced. Detetiorntion of <br />this site cause2 by overgrazing of cattle will decrease the per- <br />centage of ¢rasees such as needleandthread, sideoats grams sad <br />voa tern wheatgraee. With the decrease of above mentioned plants <br />blue grams, galleta, sand dropsnod will increase initially. <br />!~\ <br />L <br />