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Table 7. Cover Data • Aspen Extended Reference Area for the Seneca IIW Mine, Yoast Mine, SCC, Page 1 of 6 Routt Co., CO - 2005 • PLANT SPECIES RELATIVE AVERAGE VEGETATION COVER FREQUENCY COVER RELATIVE AVERAGE VEGETATION COVER-ALL COVER-ALL (%1 (%1 • NATIVE ANNUAL & BIENNIAL FORBS Chenopodium bedandieri 0.20 50.00 0.24 0.30 0.26 Chenopodium leptophyllum 0.00 20.00 0.00 0.00 0.00 Collinsia parviflora 0.20 50.00 0.24 0.20 0.17 Collomia lineads 0.00 30.00 0.00 0.00 0.00 Descurainia pinnata 0.20 80.00 0.24 0.40 0.35 Oracocephalum parviflorum 0.00 30.00 0.00 0.00 0.00 Microsteris gracilis ssp. humilis 0.00 40.00 0.00 0.00 0.00 Polygonum douglasii 0.20 60.00 0.24 0.20 0.17 Veronica ere rina ss . xalapensis 0.00 10.00 0.00 0.00 0.00 TOTAL NATIVE ANN. &BIEN. FORKS 0.8 100.0 1.0 1.1 1.0 INTRODUCED ANNUAL & BIENNIAL FORKS Capsella bursa-pastoris 0.00 20.00 0.00 0.00 0.00 Chenopodium foliosum 0.00 10.00 0.00 0.00 0.00 Cirsium vulgare 0.00 20.00 0.00 0.00 0.00 Cynoglossum officinale 1.10 90.00 1.31 1.70 1.49 Lactuca serriola 0.10 50.00 0.12 0.40 0.35 Medicago lupulina 0.00 10.00 0.00 0.00 0.00 Pocilla biloba 0.00 30.00 0.00 0.00 0.00 Thlaspi arvense 0.00 30.00 0.00 0.00 0.00 Tragopogon dubius ssp, major 0.00 50.00 0.00 0.00 0.00 Turritis labs 0.10 20.00 0.12 0.10 0.09 TOTAL INTRO. ANN. 8 BIEN. FORBS 1.3 90.0 1.5 2.2 1.9 NATIVE PERENNIAL FORKS Achilles lanulosa 0.20 80.00 0.24 0.50 0.44 Aconitum columbianum 0.00 10.00 0.00 0.00 0.00 Actaea rubs ssp. arguta 0.00 20.00 0.00 0.00 0.00 Agoseris glauca 0.00 20.00 0.00 0.00 0.00 Calochortus gunnisonii 0.00 10.00 0.00 0.00 0.00 Campanula rotundifolia 0.00 60.00 0.00 0.00 0.00 Cirsium centaureae 0.10 40.00 0.12 0.20 0.17 Cirsium ea[onii 0.00 30.00 0.00 0.00 0.00 Delphinium ramosum 0.30 70.00 0.36 0.30 0.26 Erigeron speciosus 0.00 80.00 0.00 0.10 0.09 Eucephalus engelmannii 0.10 80.00 0.12 0.30 0.26 Galium septentrionale 0.80 90.00 0.95 1.20 1.05 Galium tri8orum 0.10 30.00 0.12 0.10 0.09 Geranium caespitosum ssp. caespitosum 0.00 20.00 0.00 0.00 0.00 Hackelia floribunda 0.00 10.00 0.00 0.00 0.00 Hetianihella uniFlora 0.10 30.00 0.72 0.10 0.09 Heracleum sphondylium ssp. montanum 0.10 10.00 0.12 0.10 0.09 Heuchera parvifolia 0.00 10.00 0.00 0.00 0.00 Hydrophyllum fendleri 0.80 50.00 0.95 1.70 1.49 Lactuca tatarira ssp. pulchella 0.10 10.00 0.12 0.10 0.09 Ligusticum porteri 0.70 50.00 0.83 1.30 1.14 Lupinus caudatus 0.00 40.00 0.00 0.70 0.09 Maianthemum amplexicaule 0.10 50.00 0.12 0.20 0.17 Mentha arvensis 2.70 100.00 3.21 3.80 3.32 Mertensia ciliata 7.70 100.00 9.17 13.60 11.90 Osmorhiza chilensis 3.50 60.00 4.17 5.20 4.55 Osmorhiza occidentalis 1.00 90.00 1.19 1.70 1.49 Pedicularis bracteosa ssp. paysoniana 0.10 50.00 0.12 0.10 0.09 Perideridia gairdneri ssp. borealis 0.20 80.00 0.24 0.30 0.26 Potentilla gracilis 0.00 20.00 0.00 0.00 0.00 Prosartes trachycarpa 0.00 10.00 0.00 0.00 0.00 Rudbeckia ampla 2.40 20.00 2.86 2.80 2.45 Scrophularia lanceolata 0.00 30.00 0.00 0.10 0.09 'P=Present within 1 m. on either side of the cover transed, but not quantitatively encountered.