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Table 81. Cover Data -Aspen, Yoast Supplemental Study, PWCC, Rotrtt Co., CO -1992 <br />PLANT SPECIES <br />Percent Foliar Cover• <br />-SAMPLE NUMBER-- <br />6D 6U 7D 7U 8D 6U 9D <br />Page 6 of 8 <br />9U tOD 10U• <br />INTRODUCED PERENNIAL FORKS <br />Ciraium ervenae P <br />Galium verum 2 <br />Tarexatum of6cinele 2 2(2) P <br />Trifdium eru <br />TOTAL INTRO. PERENNIAL FORKS 2 - 2 2 2 <br />NATIVE PERENNIAL GRASSES <br />Bmmeliee apeclabilia P <br />Bmmopais eanedenaia aap. cenadensis (2) (2) (2) (2) 2 <br />Carex geyeri 2 <br />Carex mieropmre <br />Ceretochba cerinata P 2(2) P 4 <br />Eymw glaucus 6(4) (2) 6(4) (2) 2(a) <br />Eymw trachycaulus ssp. lraehycaulus P (2) <br />Poe agassiienae 10(16) 10(10) 6(34) 8(24) 14(6) <br />Poe peluatris P <br />Sti nelsonii P 2 <br />TOTAL NATIVE PERENNIAL GRASSES 1 22 72 t8 1240 826 2214 - <br />INTRODUCED PERENNIAL GRASSES <br />AgraaES slobnifere P <br />Festttca entndmacea <br />Phleum retense P P <br />TOTAL INTRO. PERENNIAL GRASSES P P <br />NATIVE SHRUBS <br />Aur glebrum P <br />AmNanrhier alnifolia 10(6) 4 12(14) (2) <br />Mehonie repena 2 P <br />Padua virginiana ssp. mNenocarpe 4 (2) <br />PefdsUma myrsinitea (2) <br />Owrcw gembelii <br />Ribw inerme <br />Ribes lacwtre <br />Rose myi (2) <br />Rosa woodefi 2(2) P P <br />Seriphidium cenum P <br />m horica s mtundifoliua 8 8 12 8 1 8 2 4 1 8 <br />TOTAL NATIVE SHRUBS 6 t2 7 6 1 6 d 2 1 8 2 4 12 14 t 10 - <br />NATIVE TREES <br />Po lus tremubides 38 32 42 a6 24 <br />TOTAL NATIVE TREES 36 32 a2 46 24 <br />FERNS <br />Hippochaete laevigate <br />Pteridium uilinum <br />TOTAL FERNS - - --- <br />Litter 18 16 12 14 14 <br />Bare soil 4 <br />TOTAL COVER t00 100 100 100 t00 <br />TOTAL COVER (LAYER) 54 48 82 38 58 42 40 60 76 24 <br />TOTAL VEGETATION COVER 82(d8) 84(x8) 68(84) 66(48) 82(40) <br />TOTAL VEGETATION COVER (LAYER) 36(42) 46(8) 46(46) 38(2) 66(84) a2 28(34) 60(14 58(40) 24 <br />SPECIES DENSITY (M of specied100 sq.m.) 38 33 33 28 34 <br />AVERAGE. 26.4 Std.Dev.. 1.2 <br />SPECIES DENSITY LAYER 34 2 31 4 32 1 24 2 33 1 <br /> <br />J <br />'P=Present within t m. an either aide of tfw cover transact, but not gwntltadvey enwuntered. <br />