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Table 6. Cover Data -Mountain Brush Ext Reference Area, Seneca IIW Mine, SCC, Routt Co., CO - 2002 Page 4 of 4 PLANT SPECIES Percent Foliar Cover' -Sample Number- 4 5 6 7 8 9 10 • INTRODUCED PERENNIAL FORKS ereea arvensis p TOTAL INTRO. PERENNIAL FORKS - - p - - NATIVE PERENNIAL GRASSES (cool) Achnatherum hymenoides p Achnatherum lettertnanii 1 7 t Achnatherum nelsonii - P 1 P ~ p t Bromelica bulbosa p Bromopsis canatlensis (1) Carex geyed 2(3) P 2(3) 1 (1) 12(4) 3(1) 3(1) Carex pensylvanica ssp. heliophila 3(2) Ceretochloa carinata (1) P P P P 2(1) P 1 P Elymus glaucus ~ P Elymus lanceolatus fm. albicans P P Elymus lanceolatus fm. dasystachya 1 P Elymus longrfolius 2 Elymus trachycaulus 2(2) P 1 t(1) 2 P (1) 2 P Hesperostipa comata 12(2) - 3(1) Leymus cinereus 1 Nassella viddula P Pascopyrum smithii 1 Poa agassizensis 5(11) 11 7(2) 6(3) 6 12(12) 1(3) 4(11) 15(1) 2(1) Poa ampla (1) Poa fendleriana P Poa secunda p Pseudoroegneria spiwta ssp. spicata 2 P P TOTAL NATIVE PERENNIAL GRASSES (c) 9(17) 14 25(7) 8(4) 10 16(14) 16(9) 9(14) 21(2) 5(3) INTRODUCED PERENNIAL GRASSES (cool) Bromopsis inermis P Thinopyrum intennedium 1 P TOTAL INTRO. PERENNIAL GRASSES (c) - - 1 - P -- - - P NATIVE SHRUBS Amelanchier alnifolia 8 2(1) 10 1(1) 4 8 6(3) 1(1) 10 3 Chrysothamnusviscidiflorus P P P P Mahonia repens P P Padus virginiana ssp. melanocarpa 7(2) 1 7(9) 4 (1) (5) 4(1) 1 Ouercusgambelii 16 12 18 52 18 12 28(1) 46 7 45 Rosa sayi P Seriphidium tridentatum 5(1) P 5 1 P 1 Symphoricarpos rotundifolius 17(1) 24(2) 8(5) 3(4) 17(5) 15(1) 5(3) 10(6) 30(2) 3 TOTAL NATIVE SHRUBS 48(3) 38(3) 42(6) 63(14) 48(5) 36(2) 39(7) 57(12) 51(3) 53 LICHEN Peltigera caning P TOTAL LICHEN - - - - P -- Standing dead 2 3 1 7 6 4 t Litter 28 24 11 22 24 22 22 20 73 24 Bare soil 12 13 11 3 9 10 16 12 11 15 Rock 1 1 3 1 TOTALS 100 100 100 100 100 100 100 100 100 100 TOTAL VEGETATION COVER 60(23) 61(4) 75(14) 74(26) 59(6) 61(19) 59(17) 67(29) 72(5) 60(6) GROUND COVER (Litter+ROCk+Veg+St.Dead) 88(23) 87(4) 89(14) 97(26) 91(6) 90(19) 84(17) 88(29) 89(5) 85(6) Total Alowab/e Vegetation Cover SPECIES DENSITY (# of species/100 sq.m.) 20 21 29 24 26 31 25 22 19 37 (AVERAGE= 25.4 Std.Dev.= 5.6) 'P=Present within 1 m. on either side of the cover Vansect, but not quantitatively enwuntered.