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• L • Table 11. Cover Data -Sagebrush Extended Reference Area for the Seneca IIW Mine, Yoast Mine, SCC, Routt Co., CO - 2005 RELATIVE RELATIVE PLANT SPECIES AVERAGE VEGETATION AVERAGE VEGETATION COVER FREQUENCY COVER COVER-ALL COVER-ALL NATIVE ANNUAL & BIENNIAL FORBS Boechera spp. 0.00 10.00 0.00 0.00 0.00 Collinsia parviflora 0.00 50.00 0.00 0.00 0.00 Collonda linearis 0.00 70.00 0.00 0.00 0.00 Cordylan[hus ramosus 0.00 10.00 0.00 0.00 0.00 Descurainia pinnata 0.00 10.00 0.00 0.00 0.00 Dracocephalum parvi8orum 0.00 10.00 0.00 0.00 0.00 Epilobium brachycarpum 0.00 30.00 0.00 0.00 0.00 Grindelia squarrosa 0.00 10.00 0.00 0.00 0.00 Polygonum douglasii 0.10 60.00 0.18 0.10 0.16 Veronica pere rina ss . zala ensis 0.00 20.00 0.00 0.00 0.00 TOTAL NATIVE ANN. 8 BIEN. FORBS 0.1 100.0 0.2 0.1 0.2 INTRODUCED ANNUAL 8 BIENNIAL FORBS Camelina microcarpa 0.00 10.00 0.00 0.00 0.00 Capsella bursa-pastoris 0.00 10.00 0.00 0.00 0.00 Cynoglossum offlcinale 0.00 30.00 0.00 0.10 0.16 Lappula redowskii 0.00 10.00 0.00 0.00 0.00 Lepidium densiflorum 0.10 10.00 0.18 0.10 0.16 Pocilla biloba 0.10 70.00 0.18 0.10 0.16 Polygonum arenastrum 0.10 10.00 0.18 0.10 O.ifi Tragopogon dubius ssp. major 0.20 40.00 0.36 0.20 0.32 Turritis labra 0.00 10.00 0.00 0.00 0.00 TOTAL INTRO. ANN. 8 BIEN. FORBS 0.5 70.0 0.9 0.6 1.0 INTRODUCED ANNUAL GRASSES Anisantha tectorum 0.10 10.00 0.18 0.10 0.16 Bromus'a onicus 0.10 10.00 0.18 0.10 0.16 TOTAL INTRO. ANN. GRASSES 0.2 10.0 0.4 0.2 0.3 NATIVE PERENNIAL FORBS Achilles lanulosa 0.60 90.00 1.08 0.80 1.29 Allium teMile 0.10 60.00 O.iB 0.10 0.16 Aster ascendens 0.40 50.00 0.72 0.40 0.65 Astragalus miser var. oblongifolius 2.20 70.00 3.96 2.90 4.68 Balsanarhiza sagittata 1.00 60.00 1.80 1.20 1.94 Calochortus nuitallii 0.00 10.00 0.00 0.00 0.00 Castilleja chromosa D.DO 10.00 0.00 0.00 0.00 Cirsium centaureae 0.10 30.00 0.18 0.20 0.32 Erigeron engelmannii 0.00 20.00 0.00 0.00 0.00 Erigeron pumilus 0.00 10.00 0.00 0.00 0.00 Erigeron speciosus 0.00 30.00 0.00 0.10 0.16 Eriogonum umbellatum 0.10 40.00 0.16 0.10 0.16 Gatium septentrionale 0.10 10.00 0.18 0.10 0.16 Helianthella uniFlOra 0.60 30.00 1.08 0.60 0.97 Heliomeris multiflora 0.00 40.00 0.00 0.00 0.00 Lalhyrus leucanthus 0.00 10.00 0.00 0.00 0.00 Lithospermum mderale 0.00 20.00 0.00 0.00 0.00 Lupinus caudatus 1.80 60.00 3.24 2.40 3.87 Lupinus prunophilus 1.20 70.00 2.16 1.40 2.26 Microseris nu[ans 0.00 10.00 0.00 0.00 0.00 Oligosporus dracunculus ssp. glaucus 0.00 10.00 0.00 0.00 0.00 Perideridia gairdneri ssp. borealis 0.30 80.00 0.54 0.30 0.48 Phlox longifolia 0.10 70.00 0.18 0.20 0.32 Pseutlostellaria jamesiana 0.10 70.00 0.18 0.10 0.16 Senecio integerrimus 0.20 80.00 0.36 0.20 0.32 Toxicoscordion venenosum 0.00 30.00 0.00 0.00 0.00 Trifolium gymnocarpum 0.00 10.00 0.00 0.00 0.00 Vicia americans 0.50 70.00 0.90 0.60 0.97 W ethic amplexicaulis 0.00 20.00 0.00 0.00 0.00 TOTAL NATIVE PERENNIAL FORBS 9.4 100.0 16.9 11.7 18.9 Page 1 of 4 'P=Present within 1 m. on either side of the cover transect, but not quantitatively encountered.