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TBbl6 811. Cover Deter - Conaarvation Rsaarve Program, Yost Supplemental Study, PWCC, Routt Co., CO.1992 Page 2 of 3 <br />• <br />PLANT SPECIES <br />Percent Folier Cover <br />• <br />-- SAMPLE NUMBER --••- <br />4 5 6 7 6 9 10 <br />NATIVE ANNUAL 8 BIENNIAL FORKS <br />Helianthus annuus P <br />Helianthus tiolaris P P <br />TOTAL NATIVE ANN. &BIEN. FORKS P P P <br />INTRODUCED ANNUAL 8 BIENNIAL FORKS <br />Lettuce seniola P <br />TOTAL INTRO. ANN. S BIEN. FORKS -- -- -- - - ••• •- --- --- P <br />INTRODUCED ANNUAL GRASSES <br />Avene }slue 2 P 6 6 2 P 2 2 P P <br />Bromus' nias 2 2 <br />TOTAL INTRO. ANN. GRASSES 2 P 6 8 2 2 2 2 P P <br />INTRODUCED PERENNIAL FORKS <br />Cirsium arvense 2 P P P 2 P <br />TOTAL INTRO. PERENNIALFORBS 2 P P P 2 P - <br />NATIVE PERENNIAL GRASSES <br />Pesco rum smithii P <br />TOTAL NATIVE PERENNIAL GRASSES --- -- - - -- P •-• -- --- --- <br />INTRODUCED PERENNIAL GRASSES <br />Agropyron eristafum ssp. deserlorum P <br />BrOmopsis inermis P P P P P P <br />Thino rum intermedium 46 30 50 32 52 52 42 48 2 50 36 <br />TOTAL INTRO. PERENNIAL GRASSES 46 30 50 32 52 52 42 d8 2 50 36 <br />Litfgr 32 48 34 46 30 18 34 34 34 50 <br />Bare soil 16 22 10 12 16 30 20 16 18 14 <br />Rock 2 <br />TOTAL COVER 100 100 100 100 100 100 100 100 100 t00 <br />TOTAL VEGETATION COVER 50 30 56 40 54 54 ere 50(2) 50 36 <br />SPECIES DENSITY (N of specied100 sq.m.) 5 3 3 5 4 6 3 3 3 5 <br />AVERAGE. 3.8 Std.Dev= 1.0 ' <br />• <br />