2010-04-05_REPORT - C1982057 (3)

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• • 0 Seriphidium tridentatum 20.60 100.00 35.85 20.80 30.50 Table 5. Cover Data -Sage Brush Extended Reference Area, Seneca IIW Mine, SCC, Routt Co., CO - 2009 Page 2 of 9 RELATIVE RELATIVE PLANT SPECIES AVERAGE VEGETATION AVE-RAGE VEGETATION COVER FREQUENCY COVER COVER-ALL COVER-ALL NATIVE PERENNIAL FORBS (cont.) Psilochenia occidentalis 0.00 6.67 0.00 0.00 0.00 Senecio integerrimus 0.00 53.33 0.00 0.00 0.00 Toxicoscordion venenosum 0.00 26.67 0.00 0.00 0.00 Trifolium gymnocarpum 0.00 13.33 0.00 0.00 0.00 Valeriana edulis 0.00 40.00 0.00 CW0 0.00 Vicia americana 0.53 60.00 0.93 1.07 1.56 Wyethia amplexicaulis 0.00 6.67 0.00 0.00 0.00 TOTAL NATIVE PERENNIAL FORBS 9.6 100.0 16.7 12.7 18.7 INTRODUCED PERENNIAL FORBS Taraxacum officinale 0.00 40.00 0.00 0.00 0.00 TOTAL INTRO. PERENNIAL FORBS 0.0 40.0 0.0 0.0 0.0 NATIVE PERENNIAL GRASSES (cool) Achnatherum hymenoides 0.00 13.33 0.00 0.00 0.00 Achnatherum lettermanii 0.00 13.33 0.00 0.00 0.00 Achnatherum nelsonii 0.47 60.00 0.81 0.53 0.78 Bromelica bulbosa 0.20 53.33 0.35 0.27 0.39 Carex geyeri 0.13 26.67 0.23 0.13 0.20 Carex pensylvanica ssp. heliophila 0.00 6.67 0.00 0.00 0.00 Ceratochloa marginata 0.13 53.33 0.23 0.13 0.20 Ceratochloa polyantha 0.07 20.00 0.12 0.07 0.10 Critesion jubatum 0.00 6.67 0.00 0 00 0.00 Elymus elymoides 0.07 13.33 012 0 13 0.20 Elymus glaucus 0.00 6.67 0.00 0.00 0.00 Elymus lanceolatus fm. albicans 0.80 46.67 1.39 1.13 1.66 Elymus lanceolatus fm. dasystachya 0.20 20.00 0.35 0.20 0.29 Elymus longifolius 0.20 33.33 0.35 0.27 0.39 Elymus sp. 0.07 13.33 0.12 007 0.10 Elymus trachycaulus 2.07 66.67 3.60 3.53 5.18 Festuca brachyphylla ssp. coloradensis 0.00 6.67 0.00 0.00 0.00 Hesperostipa comata 0.07 6.67 0.12 0.07 0.10 Koeleria macrantha 0.27 20.00 0.46 0.33 0.49 Leymus cinereus 0.00 6.67 0.00 0.00 0.00 Pascopyrum smithii 2.27 40.00 3.94 2.47 3.62 Poa juncifolia 0.07 6.67 0.12 O.D7 0.10 Poa pratensis ssp. agassizensis 2.80 100.00 4.87 5.40 7.92 Poa secunda 0.00 6.67 0.00 0.00 0.00 Pseudoroegneria spicata ssp. spicata 0.13 6.67 0.23 0.13 010 TOTAL NATIVE PERENNIAL GRASSES (c) 10.0 100.0 17.4 14.9 21.9 INTRODUCED PERENNIAL GRASSES (cool) Bromopsis inermis 0.13 33.33 0.23 0.27 0.39 Thinopyrum intermedium 0.00 6.67 0.00 0.00 0.00 TOTAL INTRO. PERENNIAL GRASSES (c) 0.1 33.3 0.2 0.3 0.4 NATIVE SHRUBS Amelanchier alnifolia 1.00 66.67 1.74 1.20 1.76 Chrysothamnus nauseosus 0.20 6.67 0.35 0.20 0.29 Chrysothamnus viscidiflorus 2.27 86.67 3.94 2.47 3.62 Mahonia repens 0.00 13.33 0.00 0.00 0.00 Padus virginiana ssp. melanocarpa 0.07 6.67 0.12 0.07 0.10 Purshia tridentata 0.00 6.67 0.00 0.00 0.00 Quercus gambelii 0.27 6.67 0.46 0.27 0.39 Rosa sayi 0.07 6.67 0.12 0.07 0.10 Symphoricarpos rotundifolius 11.73 86.67 20.42 13.40 19.65 TOTAL NATIVE SHRUBS 36.2 100.0 63.0 38.5 56.4 'P=Present within 1 m. on either side of cover transect, but not quantitatively encountered. ()= Data in parentheses represent other hits that are used in conjunction with first hits for cover all statistics.