An upland soil less than 20 inches deep and often very rocky and rough but less than 20 percent slope. Gentle sloping to moderately steep shallow prairie soils. The site contains combinations of forbs, legumes, grasses, and some shrubs. Rock usually appears on the sur-face, often over 15 to 20 percent of the area, and occurs in the profile. The site occurs along ridges or ledges, often adjacent to loamy or clay prairie sites. The vegetation was formed under migratory grazing and heavy impact from bison and other native wildlife, with fires in both the dormant and growing season.
Site Composition Maximum Observed Composition Percent Counted Toward SI
Vegetation Site 1 Site 2 Site 3 Site 1 Site 2 Site 3
  Grasses 70%
 big bluestem
 switchgrass
 Indiangrass 		25 ______ __15__ ______ ______ __15__ ______
 little bluestem 20 ______ __10__ ______ ______ __10__ ______
 sideoats grama 20 ______ ___1__ ______ ______ ___1__ ______
 Canada wildrye
 dropseed
 hairy grama
 blue grama
 Scribner panicum
 other natives 		15 ______ __31__ ______ ______ __15__ ______
 invasives 0 ______ ______ ______ ___0__ ___0__ ___0__
Forbs and Legumes
 Illinois bundleflower
 catclaw sensitivebrier
 black sampson
 leadplant
 tickclover
 purple prairie clover
 slender lespedeza
 wild indigo
 scurfpea
 dotted gayfeather
 compassplant
 halfshrub sundrop
 Pitcher's sage
 heath aster
 sagewort
 Mexican hat
 milkweed
 other natives
 invasives 		14%
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Woodies
 sumac
 sand plum
 buckbrush
 other natives
 invasives 		1%
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