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Table 20. Cover Data -Sagebrush Reference Area, Seneca II Mine, SCC, Routt., CO - 2003 PLANT SPECIES RELATIVE AVERAGE VEGETATION COVER FREQUENCY COVER Page 1 of 4 RELATIVE AVERAGE VEGETATION COVER-ALL COVER•ALl (%) (°k) NATIVE ANNUAL 8 BIENNIAL FORBS Collinsia parviflora 0.00 30.D0 0.00 0.00 0.00 Collomia linearis 0.00 60.00 0.00 0.00 0.00 Epilobium brachycarpum ~ 0.00 70.00 0.00 0.00 0.00 Erigeron divergens 0.00 30.00 0.00 0.00 0.00 Polygonum douglasii 0.10 20.00 0.19 O.tO 0.18 TOTAL NATIVE ANN. &BIEN. FORBS 0.1 80.0 0.2 0.1 0.2 INTRODUCED ANNUAL & BIENNIAL FORBS Madia glomerata - 0.00 10.00 - 0.00 0.00 0.00 Melilotus officinalis 0.20 40.00 0.38 0.20 0.35 Tragopogon dubius ssp. major 0.00 40.00 0.00 0.00 0.00 Turritis glabra 0.00 t0.00 0.00 0.00 0.00 TOTAL INTRO. ANN. &BIEN. FORBS 0.2 70.0 0.4 0.2 0.4 NATVE PERENNIAL FORBS Achilles lanulosa 0.60 90.00 1.15 0.60 1.06 Allium textile 0.30 80.00 0.57 0.40 0.71 Anaphalis maigadtacea 0.00 10.00 0.00 0.00 0.00 Antennada parvifaiia 0.10 60.00 0.19 0.10 0.18 Astragalus miser var. oblongifolius 3.40 70.00 6.51 3.70 6.55 Balsamorhiza sagittata 1.20 30.00 2.30 1.20 2.12 Catochortus nuttallii 0.00 70.00 0.00 0.00 0.00 Cirsium centaureae 0.00 30.00 0.00 0.00 0.00 Erigeron speciosus 0.70 100.00 1.34 0.70 1.24 Eriogonum umbellatum 1.40 80.00 2.68 1.60 2.83 Helianthella uni8ora 5.10 90.00 9.77 5.40 9.56 Heuchera parvifolia 0.00 10.00 0.00 0.00 0.00 Lupinus caudatus 0.10 10,00 0.79 0.10 0.18 Lupinus prunophilus 0.00 10.00 0.00 - 0.00 0.00 Noccaea montane 0.00 10.00 0.00 0.00 0.00 Peddeddia gainlneri ssp. borealis 0.10 ~ 90.00 0.19 0.20 0.35 Phlox longifolia 0.00 40.00 0.00 0.00 0.00 Potenlilla gracilis 0.00 10.00 0.00 0.00 0.00 Pseudostellada jamesiana 0.90 60.00 ~ 1.72 1.00 1.77 Pyrrocoma crocea 0.10 20.00 0.19 0.10 0.18 Senacio integerrimus 0.00 80.00 0.00 0.00 0.00 Trifolium gymnocarpum 0.10 20.00 0.19 0.10 0.18 Vicia americans 1.00 70.00 1.92 1.10 1.95 Virgulaster ascendens 1.10 100.00 2.11 1.20 2.12 Wyethia amplexicaulis 0.10 10.00 0.19 0.10 0.18 TOTAL NATIVE PERENNIAL FORBS 16.3 100.0 31.2 17.6 31.2 INTRODUCED PERENNIAL FORBS Taraxacum officinale 0.00 10.00 0.00 0.00 0.00 TOTAL INTRO. PERENNIAL FORBS 0.0 10.0 0.0 0.0 0.0 NATIVE PERENNIAL GRASSES (cool) Achnatherum lettermanii 0.80 90.00 1.53 0.90 1.59 Achnatherum nelsonii 0.00 10.00 0.00 0.00 0.00 Bromelica bufbosa 0.00 10.00 0.00 0.00 0.00 Bromelica spedabilis 0.10 50.00 0.19 0.10 0.18 Carex geyeri 0.40 30.00 0.77 0.50 0.88 Ceratochloa carinata 0.20 50.00 0.38 0.20 0.35 Elymus lanceolatus tm. albirans 0.60 80.00 1.15 0.60 1.06 Elymus trachycaulus 1.40 100.00 2.66 1.50 2.65 Festuca saximontana 5.60 90.00 10.73 6.50 11.50 Koeleria macrantha 0.00 20.00 0.00 0.00 0.00 Poa agassizensis 3.10 100.00 5.94 3.60 6.37 Poa ample 0.10 30.00 0.19 0.10 0.18 70TAL NATIVE PERENNIAL GRASSES (c) 12.3 100.0 23.fi 74.0 24.8