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• Table 11. Cover Data -Sagebrush Extended Reference Area, Seneca IIW Mine, SCC, Routt Co., CO.2004 RELATIVE PLANT SPECIES AVERAGE VEGETATION AVERAGE COVER FREQUENCY COVER COVER-ALL Page 1 of 4 RELATIVE VEGETATION COVER-ALL (°h) NATIVE ANNUAL & BIENNIAL FORBS Collinsia parvi0ora 0.10 60.00 0.18 0.20_ 0,30 Collomia lineads 0.10 70,00 0.18 0.10 0.15 Erigeron divergens 0.00 30.00 0.00 0.00 0.00 Polygonum douglasii 0.10 90.00 0.18 0.30 0.45 Veronica ere dna ssp. xala ensis 0.10 10.00 0.18 0.10 0.15 TOTAL NATIVE ANN. &BIEN. FORBS 0.4 100.0 0.7 0.7 1.1 INTRODUCED ANNUAL & BIENNIAL FORBS , Alyssum desertorum 0.00 10.00 0.00 0.00 0.00 Cynoglossum officinale ~ 0.50 50.00 0.88 0.90 1.36 Lactuca serriola 0.00 20.00 0.00 0.00 0.00 Lepidium densiflorum 0.10 10.00 0.18 0.10 0.15 Pocilla biloba 0.20 40.00 0.35 0.20 0.30 Tragopogon dubius ssp. major 0.00 40.00 0.00 0.00 0.00 Turri0s labra 0.00 10.00 0.00 0.00 0.00 TOTAL INTRO. ANN. &BIEN, FORBS 0.8 90.0 1.4 1.2 1.8 INTRODUCED ANNUAL GRASSES Anisantha tectorum 0.10 10.00 - 0.18 0.10 0.15 Bromus'a onicus 0.00 10.00 0.00 0.00 0.00 TOTAL INTRO. ANN. GRASSES 0.1 10.0 0.2 ~ 0.1 0.2 NATIVE PERENNIAL FORBS Achilles lanulosa 0.10 50.00 0.18 O.i0 0.15 Allium macropetalum ~ 0.20 70.00 0.35 0.20 0.30 Aster ascendens 0.50 30.00 0.88 0.60 0.91 Astragalus laxmannii 2.10 60.00 3.69 2.80 4.24 Balsamorhiza sagittata 1.00 50.00 1.76 1.00 1.51 Cirsium centaureae 0,30 20.00 0.53 0.30 0.45 Cirsium eatonii 0,00 10.00 0.00 0.00 0.00 Erigeron speciosus 0.10 50.00 0.18 0.20 0.30 Eriogonum umbellatum 0.30 40.00 0.53 0.50 0.76 Galium septentrionale 0.00 10.00 0.00 0.00 0.00 Helianthella uniflora 0.50 50.00 0.88 0.50 0.76 Heliomeris multiflora 0.00 10.00 0.00 0.00 0.00 Lathyrus leucanthus 0.00 10.00 0.00 0.00 0.00 Lithospermum ruderale 0.00 20.00 0.00 0,00 0.00 Lupinus caudatus 1.30 60.00 2.28 1,60 - 2.42 Lupinus prunophilus ~ 0.30 70.00 0.53 0.40 0.61 Microseds nutans 0.00 10.00 0.00 0.00 0.00 Perideridia gairdned ssp. borealis 0.00 90.00 0.00 0.00 0.00 Phlox longifolia 0.00 60.00 0.00 0.00 0.00 Pseudoslellaria jamesiana 0.30 70.00 0.53 0.50 0.76 Psilochenia occidentalis ~ 0.00 10.00 0.00 0.00 0.00 Senecio integerrimus 0.20 50.00 0.35 0.20 0.30 Tozicoscordion venenosum 0.00 ~ 10.00 0.00 0.00 0.00 Trifolium gymnocarpum 0.10 10.00 0.18 0.10 0.15 Vaieriana edulis - 0.10 10.00 0.18 0.10 0.15 Vicia americans 0.30 80.00 0.53 0.50 0.76 Viola nuttallii 0.10 10.00 0.18 0.10 0.15 TOTAL NATIVE PERENNIAL FORBS 7.8 100.0 13.7 9.7 14.7 INTRODUCED PERENNIAL FORBS Taraxacum officinale 0.10 10.00 0.18 0.10 0.15 TOTAL INTRO. PERENNIAL FORBS 0.1 10.0 0.2 0.1 0.2 NATIVE PERENNIAL GRASSES (cool) Achnatherum hymenoides 0.00 10.00 0.00 0.00 0.00 Achnatherum lettermanii 0.80 50.00 1.41 1.00 1.51 Achnatherum nelsonii 0.10 30.00 0.18 0.10 0.15 Bromelica s ectabilis 0.00 20.00 0.00 0.00 0.00 •P=Present within 1 m. of either side of the cover Vansect, but not quantitatively encountered.