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10 Other grasses Indian ricegrass , Switchgrass , Sideoats grama , and Little bluestem all showed erratic and uncertain perform- ance . Based on what was observed in the study it is recommended that further consideration be given the the inclusion of these grasses. Switchgrass and Little bluestem are the least adapted of these four for this location. Indian ricegrass is questioned because of its minor importance in . climax grasslands in the zone . Hardest to decide to recommend is Sideoats grama which has consistently been successful on ranglands , roadsides and critical areas of Eastern Colorado. There is more to favor keeping Sideoats grama in the seed mixture than to remove it. Forbs Diversity of the flora is a sought after objective in reclamation of mine lands where the goal is to progress toward a stand comparable to the predominant range site. Deep Sand has more numerous native forbs that can be pre- dicted to become established than on finer textured Loamy Plains or Clayey Plains range sites . Few forbs adapted to the site have commercially available seed to plant. Bigelow aster seed can be obtained, and is one that could be seeded to take a spot in the diversity. Natural plant succession will achieve diversity over time from a number of native species (see 2 . 3) as they start from seed , bulbs , and rootstocks , carried with the salvaged topsoil , or by introduction onto the area by birds , animals , and wind.