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Site Type: Rangeland <br />MLRA: 69 - Upper Arkansas Valley Rolling Plains <br />Technical Guide <br />Section IIE <br />Plant Community Composition and Group Annual Production <br />Gravel Breaks <br />R069XY064C0 <br />This list of plants and their relative proportions are based on near normal years. Fluctuations in species composition and relative production may change from year to year dependent upon precipitation or other <br />climatic factors. RV = Representative value. <br />5 <br />USDA NRCS <br />Rev. 3/04 <br />Sideoats Grama, Little Bluestem, Blue Grama <br />(HCPC) <br />COMMON /GROUP NAME <br />SCIENTIFIC NAME <br />SYMBOL <br />Group <br />lbs. /acre <br />°A Comp <br />sideoats grama <br />Bouteloua curtipendula <br />BOCU <br />1 <br />225 - 263 <br />30 - 35 <br />little bluestem <br />Schizachyrium scoparium <br />SCSC <br />1 <br />75 - 150 <br />10 -20 <br />blue grama <br />Bouteloua gracilis <br />BOGR2 <br />1 <br />38 -113 <br />5 -15 <br />galleta <br />Pleuraphis jamesii <br />PLJA <br />1 <br />15 - 38 <br />2 - 5 <br />big bluestem <br />Andropogon gerardii <br />ANGE <br />1 <br />8 -38 <br />1 -5 <br />needleandthread <br />Hesperostipa comata ssp. comata <br />HECOC8 <br />1 <br />8 - 38 <br />1 - 5 <br />prairie sandreed <br />Calamovilfa longifolia <br />CALO <br />1 <br />8 - 38 <br />1 - 5 <br />hairy grama <br />Bouteloua hirsuta <br />BOHI2 <br />1 <br />8 -23 <br />1 -3 <br />switchgrass <br />Panicum virgatum <br />PAVI2 <br />1 <br />8 - 23 <br />1 - 3 <br />western wheatgrass <br />Pascopyrum smithii <br />PASM <br />1 <br />8 - 23 <br />1 - 3 <br />New Mexico feathergrass <br />Hesperostipa neomexicana <br />HENE5 <br />1 <br />0 - 23 <br />0 - 3 <br />Indian ricegrass <br />Achnatherum hymenoides <br />ACHY <br />1 <br />8 -15 <br />1 -2 <br />sand dropseed <br />Sporobolus cryptandrus <br />SPCR <br />1 <br />8 -15 <br />1 - 2 <br />Indiangrass <br />Sorghastrum nutans <br />SONU2 <br />1 <br />0 -15 <br />0 -2 <br />bottlebrush squirreltail <br />Elymus elymoides ssp. elymoides <br />ELELE <br />1 <br />0 - 8 <br />0 -1 <br />buffalograss <br />Buchloe dactyloides <br />BUDA <br />1 <br />0 - 8 <br />0 -1 <br />hairy tridens <br />Erioneuron pilosum <br />ERPI5 <br />1 <br />0 - 8 <br />0 -1 <br />red threeawn <br />Aristida purpurea var. longiseta <br />ARPUL <br />1 <br />0 - 8 <br />0 -1 <br />ring muhly <br />Muhlenbergia torreyi <br />MUTO2 <br />1 <br />0 - 8 <br />0 -1 <br />sun sedge <br />Carex inops ssp. heliophila <br />CAINH2 <br />1 <br />8 - 23 <br />1 - 3 <br />threadleaf sedge <br />Carex filifolia <br />CAFI <br />1 <br />8 -15 <br />1 -2 <br />other perennial grasses <br />2GP <br />1 <br />8 -23 <br />1 -3 <br />tORBS <br />2 <br />75 - 113 <br />10 - 15 <br />dotted gayfeather <br />Liatris punctata <br />LIPU <br />2 <br />8 -15 <br />1 - 2 <br />purple prairie clover <br />Dalea purpurea <br />DAPU5 <br />2 <br />8 - 15 <br />1 -2 <br />Colorado greenthread <br />Thelesperma filifolium <br />THFI <br />2 <br />0 - 8 <br />0 -1 <br />cushion buckwheat <br />Eriogonum ovalifolium <br />EROV <br />2 <br />0 - 8 <br />0 -1 <br />hairy goldaster <br />Heterotheca villosa . <br />HEVI4 <br />2 <br />0 - 8 <br />0 -1 <br />heath aster <br />Symphyotrichum ericoides <br />SYER <br />2 <br />0 - 8 <br />0 -1 <br />Hood's phlox <br />Phlox hoodii <br />PHHO <br />2 <br />0 - 8 <br />0 -1 <br />ironplant goldenweed <br />Machaeranthera pinnatifida ssp pinnatifida var. pinnatifida <br />MAPIP4 <br />2 <br />0 - 8 <br />0 - 1 <br />mat loco <br />Astragalus kentrophyta <br />ASKE <br />2 <br />0 - 8 <br />0 - 1 <br />Nuttall's evolvulus <br />Evolvulus nuttallianus <br />EVNU <br />2 <br />0 - 8 <br />0 -1 <br />penstemon <br />Penstemon spp. <br />PENST <br />2 <br />0 - 8 <br />0 -1 <br />rush skeletonplant <br />Lygodesmia juncea <br />LYJU <br />2 <br />0 - 8 <br />0 -1 <br />scarlet globemallow <br />Sphaeralcea coccinea <br />SPCO <br />2 <br />0 - 8 <br />0 -1 <br />sessile nailwort <br />Paronychia sessiliflora <br />PASE <br />2 <br />0 - 8 <br />0 -1 <br />silky crazyweed <br />Oxytropis sericea <br />OXSE <br />2 <br />0 - 8 <br />0 -1 <br />sulfur - flowered buckwheat <br />Eriogonum umbellatum <br />ERUM <br />2 <br />0 - 8 <br />•0 -1 <br />threadleaf groundsel <br />Senecio flaccidus var. flaccidus <br />SEFLF <br />2 <br />0 - 8 <br />0 -1 <br />twogrooved milkvetch <br />Astragalus bisulcatus <br />ASBI2 <br />2 <br />0 - 8 <br />0 -1 <br />upright prairie coneflower <br />Ratibida columnifera <br />RACO3 <br />2 <br />0 - 8 <br />0 -1 <br />variable senecio <br />Packera neomexicana var. mutabilis <br />PANEM <br />2 <br />0 - 8 <br />0 -1 <br />woolly locoweed <br />Astragalus mollissimus <br />ASMO7 <br />2 <br />0 - 8 <br />0 -1 <br />wormwood <br />Artemisia dracunculus <br />ARDR4 <br />2 <br />0 - 8 <br />0 -1 <br />other perennial forbs <br />2FP <br />2 <br />8 -23 <br />1 -3 <br />SHR485" <br />3 <br />38 - 75 <br />5 - 1D " <br />fourwing saltbush <br />Atriplex canescens <br />ATCA2 <br />3 <br />8 - 23 <br />1 - 3 <br />skunkbush sumac <br />Rhus trilobata <br />RHTR <br />3 <br />0 - 23 <br />0 - 3 <br />winterfat <br />Krascheninnikovia Janata <br />KRLA2 <br />3 <br />8 -15 <br />1 -2 <br />Bigelow sage <br />Artemisia bigelovii <br />ARBI3 <br />3 <br />0 -15 <br />0 -2 <br />broom snakeweed <br />Gutierrezia sarothrae <br />GUSA2 <br />3 <br />0 - 8 <br />0 -1 <br />fringed sagebrush <br />Artemisia frigida <br />ARFR4 <br />3 <br />0 - 8 <br />0 -1 <br />golden currant <br />Ribes aureum <br />RIAU <br />3 <br />0 - 8 <br />0 -1 <br />green plume rabbitbrush <br />Ericameria nauseosa ssp. nauseosa var. glabrata <br />ERNAG <br />3 <br />0 - 8 <br />0 -1 <br />plains pricklypear <br />Opuntia polyacantha <br />OPPO <br />3 <br />0 - 8 <br />0 -1 <br />shadscale <br />Atriplex confertifolia <br />ATCO <br />3 <br />0 - 8 <br />0 -1 <br />small soapweed <br />Yucca qlauca <br />YUGL <br />3 <br />0 - 8 <br />0 -1 <br />spreading buckwheat <br />Eriogonum effusum <br />EREF <br />3 <br />0 - 8 <br />0 -1 <br />walkin stick cholla <br />Opuntia imbricata <br />OPIM <br />3 <br />0 - 8 <br />0 -1 <br />o ers ru•s <br />• - o: <br />- <br />An nuai Prod uetio ills' ns <br />LOW RV <br />HIGH <br />GRASSES 8 GRASS <br />- LIKES <br />245 - 600 <br />1005 <br />FORBS <br />70- 94 <br />115 <br />SHRUBS <br />35- 56 <br />80 <br />TOTAL <br />350- 750 1200 <br />Site Type: Rangeland <br />MLRA: 69 - Upper Arkansas Valley Rolling Plains <br />Technical Guide <br />Section IIE <br />Plant Community Composition and Group Annual Production <br />Gravel Breaks <br />R069XY064C0 <br />This list of plants and their relative proportions are based on near normal years. Fluctuations in species composition and relative production may change from year to year dependent upon precipitation or other <br />climatic factors. RV = Representative value. <br />5 <br />USDA NRCS <br />Rev. 3/04 <br />