2009-04-01_REPORT - C1994082 (6)

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• r? Table 1. Cover Data - Phase II Bond Release Area, Yoast Mine, SCC, Routt Co., CO - 2008 PLANT SPECIES RELATIVE AVERAGE VEGETATION COVER FREQUENCY COVER M M M RELATIVE AVERAGE VEGETATION COVER-ALL COVER-ALL (%) (%) NATIVE ANNUAL & BIENNIAL FORBS Chenopodium berlandieri 0.00 10.00 0.00 0.00 0.00 Cirsium undulatum 0.05 10.00 0.10 0.05 0.09 Collinsia parviflora 0.00 15.00 0.00 0.00 0.00 Collomia linearis 0.00 60.00 0.00 0.00 0.00 Descurainia incana 0.05 20.00 0.10 0.05 0.09 Dracocephalum parviflorum 0.05 20.00 0.10 0.05 0.09 Epilobium brachycarpum 0.15 50.00 0.30 0.15 0.28 Grindelia squarrosa 0.20 80.00 0.40 0.25 0.47 Microsteris gracilis ssp. humilis 0.05 25.00 0.10 0.05 0.09 Polygonum douglasii 0.40 25.00 0.80 0.45 0.85 TOTAL NATIVE ANN. & BIEN. FORBS 1.0 95.0 1.9 1.1 2.0 INTRODUCED ANNUAL & BIENNIAL FORBS Camelina microcarpa 0.00 5.00 0.00 0.00 0.00 Capsella bursa-pastoris 0.45 30.00 0.90 0.45 0.85 Chenopodium album 0.00 10.00 0.00 0.00 0.00 Chenopodium glaucum 0.00 20.00 0.00 0.00 0.00 Cirsium vulgare 0.15 35.00 0.30 0.15 0.28 Cynoglossum officinale 0.15 75.00 0.30 0.15 0.28 Lactuca serriola 0.30 85.00 0.60 0.30 0.57 Lappula redowskii 0.00 5.00 0.00 0.00 0.00 Lepidium densiflorum 0.00 5.00 0.00 0.00 0.00 Madia glomerata 0.00 5.00 0.00 0.00 0.00 Melilotus officinalis 0.00 30.00 0.00 0.05 0.09 Pocilla biloba 2.15 95.00 4.29 2.15 4.05 Polygonum arenastrum 0.60 20.00 1.20 0.60 1.13 Salsola australis 0.05 30.00 0.10 0.05 0.09 Sisymbrium altissimum 0.90 85.00 1.79 0.95 1.79 Sisymbrium loeselii 0.00 10.00 0.00 0.00 0.00 Thlaspi arvense 1.10 100.00 2.19 1.10 2.07 Tragopogon dubius ssp. major 0.20 95.00 0.40 0.25 0.47 Turritis glabra 0.00 5.00 0.00 0.00 0.00 TOTAL INTRO. ANN. & BIEN. FORBS 6.1 100.0 12.1 6.2 11.7 INTRODUCED ANNUAL GRASSES Anisantha tectorum 0.95 50.00 1.89 1.00 1.89 Bromus japonicus 1.25 60.00 2.49 1.25 2.36 Triticum aestivum 0.05 20.00 0.10 0.05 0.09 TOTAL INTRO. ANN. GRASSES 2.3 75.0 4.5 2.3 4.3 NATIVE PERENNIAL FORBS Achillea lanulosa 1.30 95.00 2.59 1.40 2.64 Adenolinum lewisii 0.90 70.00 1.79 0.95 1.79 Agastache urticifolia 0.05 35.00 0.10 0.05 0.09 Allium acuminatum 0.00 5.00 0.00 0.00 0.00 Aster ascendens 0.35 15.00 0.70 0.35 0.66 Balsamorhiza sagittata 0.00 20.00 0.00 0.00 0.00 Cirsium eatonii 0.00 5.00 0.00 0.00 0.00 Hackelia floribunda 0.00 5.00 0.00 0.00 0.00 Heliomeris multiflora 0.00 30.00 0.00 0.00 0.00 Lathyrus leucanthus 0.00 10.00 0.00 0.00 0.00 Lupinus caudatus 0.00 25.00 0.00 0.00 0.00 Nothocalais cuspidata 0.00 5.00 0.00 0.00 0.00 Oligosporus dracunculus ssp. glaucus 0.00 5.00 0.00 0.00 0.00 Page 1 of 9 *P=Present within 1 m. on either side of the cover transect but not quantitatively encountered. ()=Data in parentheses represent other hits that are used in conjunction with first hits for cover all statistics.