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Table 1. 2009 Plant Species List: Keenesburg Mine <br />1998, 1999, and 2000 Reclamation Areas <br />• 1998 1999 2000 <br />Species Name Common Name Lifeform Areas Areas Areas <br />Graminoids <br />• <br /> <br />Agropyron cristatum Crested Wheatgrass P,C,I X <br />Agropyron dasystachyum Thickspike Wheatgrass P,C,N X <br />Agropyron smithii Western Wheatgrass P,C,N X X X <br />Agropyron trachycaulum Slender Wheatgrass P,C,N X <br />Andropogon gerardii Big Bluestem P,W,N X X X <br />Andropogon hallii Sand Bluestem P,W,N X X X <br />Aritida purpurea Three Awn P. W.N X <br />Bouteloua curtipendula Sideoats Grama P,W,N X X X <br />Boutelouagracilis Blue Grama P,W,N X X X <br />Bromus marginatus Mountain Brome P,C,N X X <br />Bromus tectorum Cheatgrass A,C,I X X X <br />Calamovilfa longifolia Prairie Sandreed P,W,N X X X <br />Eragrostis cilianensis Stinkgrass A,W,I X <br />Oryzopsis hymenoides Indian Ricegrass P,C,N X X <br />Panicum virgatum Switchgrass P,W,N X X X <br />Schizachyrium scoparium Little Bluestem P,W,N X X <br />Sporobolus cryptandrus Sand Dropseed P,W,N X X X <br />Stipa viridula Green Needlegrass P,C,N X X X <br />Total Number of Grasses 12 15 14 <br />Total Number Perennial Grasses 11 13 13 <br />Total Number Annual Grasses 1 2 1 <br />Total Number Native Grasses 10 13 13 <br />Total Number Introduced Grasses 2 2 1 <br />Total Number Cool Season Grasses 5 5 6 <br />Total Number Warm Season Grasses 7 10 8 <br />Lifeform abbreviations: A annual C cool season N native <br />B biennial W warm season I introduced <br />P perennial D deciduous L legume <br />E evergreen <br />Note: Only plant species encountered during cover sampling are represented on this list <br />Coors Energy Company Keenesburg Mine <br />Areas 2, 5, 6, 7, 9, 10,15, 16, and 19 Vegetation Study (2009) <br />Page 15