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peavine(manystem pea),purple prairie clover,and spreading buckwheat. <br /> This plant community is diverse,and productive.Litter is properly distributed with very little movement off-site,and natural plant mortality is <br /> very low.It is well-suited to carbon sequestration,effective water cycle,and wildlife use by many species,livestock use,and is aesthetically <br /> pleasing.Community dynamics,nutrient cycle,water cycle,and energy flow are functioning properly.This community is resistant to <br /> disturbances except moderate to heavy continuous grazing,tillage,and/or development into urban or other uses. <br /> Total annual production ranges from 800 to 2,200 pounds of air-dry vegetation per acre and will average 1,650 pounds during an average <br /> year.These production figures are the fluctuations expected during favorable,normal and unfavorable years due to the timing and amount of <br /> precipitation and temperature.Total annual production should not be confused with species productivity,which is annual production and <br /> variability by species throughout the extent of the community phase. <br /> Reference Plant Community Plant Species Composition <br /> Grass/Grasslike Annual Production <br /> (pounds per acre) <br /> Group Group name Common name Symbol Scientific name Low Hiqh <br /> 1-1 1155 1403 <br /> Grass,perennial 2GP 0 83 <br /> Indian ricegrass ACHY Achnatherum hymenoides 17 33 <br /> sand bluestem ANHA Andropogon hallii 83 248 <br /> Fendler threeawn ARPUL Anstida purpurea var.longiseta 0 17 <br /> sideoats grama BOCU Bouteloua cunipendula 17 83 <br /> buffalograss BODA2 Bouteloua tlactyloitles 0 17 <br /> blue grama BOGR2 Bouteloua gracilis 330 495 <br /> sun sedge CAINH2 Carex inops subsp.heliophila 17 83 <br /> prairie sandreed CALO Calamovilfa longifolia 330 495 <br /> thickspike wheatgrass ELLAL ElVmus lanceolatus subsp. 0 83 <br /> lanceolatus <br /> needle and thread HECOC8 Hesperos tipa comata subsp. 83 165 <br /> comata <br /> prairie Junegrass KOMA Koelena macrantha 17 50 <br /> thin paspalum PASE5 Paspalum setaceum 0 17 <br /> western wheatgrass PASM PascopVrum smithii 17 116 <br /> switchgrass PAVI2 Panicum virgatum 83 165 <br /> little bluestem SCSC SchizachVrium scopanum 17 83 <br /> Indiangrass SONU2 Sorghastrum nutans 0 83 <br /> sand dropseed SPCR Sporobolus cryptandrus 17 50 <br /> Fo rb Annual Production <br /> (pounds per acre) <br /> Group Group name Common name Symbol Scientific name Low Hiqh <br /> 2-2 165 248 <br /> Forb,perennial 2FP 33 83 <br /> Cum an ragweed AMPS Ambrosia psilostachVa 0 17 <br /> tarragon ARDR4 Artemisia dracunculus 0 17 <br /> white sagebrush ARLU Artemisia ludoviciana 0 17 <br /> woolly locoweed ASM07 Astragalus mollissinn 0 17 <br /> Texas croton CRTE4 Croton texensis 0 17 <br /> purple prairie clover DAPUP Dalea purpurea var.purpurea 17 33 <br /> winged buckwheat ERAL4 Enogonum alatum 0 17 <br /> shaggy dwarf morning-glory EVNU Evolvulus nuttallianus 0 17 <br /> hairy false goldenaster HEVI4 Heterotheca villosa 0 17 <br /> manystem pea LAP02 Lath Vrus polVmorphus 17 33 <br /> dotted blazing star LIPU Liatris punctata 17 33 <br /> rush skeletonplant LYJU LVgodesmia iuncea 0 17 <br /> tenpetal blazingstar MEDE2 Mentzelia decapetala 0 17 <br /> crownleaf evening primrose OECO2 Oenothera coronopifolia 0 17 <br /> broadbeard beardtongue PEAN4 Penstemon angustifolius 17 33 <br /> silverleaf Indian breadroot PEAR6 Pediomelum argophVllum 0 17 <br /> slimflower scurfpea PSTE5 Psoralidium tenuiflorum 0 17 <br /> upright prairie coneflower RAC03 Ratibida columnifera 17 33 <br /> scarlet globemallow SPCO Sphaeralcea coccinea 17 33 <br /> SVmphVotnchum encoides var. <br /> white heath aster SYERE encoides 0 17 <br /> prairie spidenvort TROC Tradescantia occidentalis 17 33 <br /> American vetch VIAM Ocia amencana 17 33 <br /> Shrub/Vine Annual Production <br /> (pounds per acre) <br /> Group Group name Common name Symbol Scientific name Low Hiqh <br /> 3-3 83 248 <br /> Shrub(>.5m) 2SHRUB 17 83 <br /> Ieadplant AMCA6 Amorpha canescens 0 50 <br /> sand sagebrush ARFI2 Artemisia filifolia 0 33 <br /> prairie sagewort ARFR4 Artemisia fngida 0 17 <br /> founving saltbush ATCA2 Atnplex canescens 0 33 <br /> spreading buckwheat EREF Enogonum effusum 17 33 <br /> spinystar ESVIV Escobana vivipara var yiyipara 0 17 <br /> broom snakeweed GUSA2 Gutierrezia sarothrae 0 17 <br /> plains pricklypear OPPO Opuntia polVacantha 0 17 <br /> western sandcherry PRPUB Prunus pumila var.besseVi 0 50 <br /> soapweed yucca YUGL Yucca glauca 0 17 <br /> 7of18 <br />