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Table 1. 2009 Plant Species List: Keenesburg Mine Vegetation Monitoring <br />• 2002 and 2006 Reclamation Areas <br />continued <br />2002 2006 <br />Species Name Common Name Lifeform Areas Area <br />Forbs <br />Ambrosia psilostachya Ragweed P,C,N X X <br />Conyza canadensis Horseweed P,W,N X <br />Asterfendleri Aster P,W,N X <br />Eriogonum annuum Buckwheat A,C,N X <br />Helianthus annuus Sunflower A,W,N X X <br />Kochia scoparia Kochia A,C,I X X <br />Lactuca serriola Prickly Lettuce A,C,l X <br />Medicago lupulina Black Medic A,C,I X X <br />Melilotus olfficinalis Yellow Sweetclover B,C,I X X <br />Nuttallia nuda Blazing Star P,W,N X X <br />Sisymbrium altissimum Tumble Mustard A,C,l x X <br />Tribulus terrestris Puncture Vine A,C,l X <br />Total Number of Forbs 12 7 <br />Total Number Perennial Forbs 4 2 <br />Total Number Biennial Forbs 1 1 <br />is Total Number Annual Forbs 7 4 <br />Total Number Native Forbs 6 3 <br />Total Number Introduced Forbs 6 4 <br />Total Number Cool Season Forbs g 5 <br />Total Number Warm Season Forbs 4 2 <br />TOTAL NUMBER OF SPECIES 21 16 <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 />• <br />Coors Energy Company Keenesburg Mine Page 20 <br />2009 Revegetation Monitoring Report