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TABLE 2. COVER DATA - WESTERN WHEATGRASS /ALKALI SAGEBRUSH VEGETATION TYPE, SENECA II-W MINE EXPANSION AREA, PFIIBODY COAL - 1990 PLANTSPECIES Percent Foliar Cover' AVG.COVEFi FAC-0. REL VEG.OOVER Sample Number 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 (%) (%) (%) NATIVE ANNUAL 8 BIENNIAL FORKS Cirsium eatonii 0 0 0 0 2 2 0.3 40 0.6 Collinsia parvillora 0 0 0.0 13 0.0 Collomia linearis 0 0 0 0 0 0 0 0 0 0.0 60 0.0 Gayophytum diffusum 0 0 0 0.0 20 0.0 Polygonum douglasii 0 2 2 2 0.4 27 0.6 Veronica biloba 0 0 0 0 0 0.0 33 0.0 TOTAL NATIVE ANN. b BIEN. FORKS 0 0 0 0 0 0 0 2 0 2 2 2 0 2 0 0.7 1 .4 INTRODUCED ANNUAL 8 BIENNIAL FORKS Cynoglossum officinale 0 0 0.0 1 3 0.0 Laauw serriola 0 0.0 7 0.0 Tragopogondubius 0 0 0 0 0 0.0 33 0.0 TOTAL INTRO. ANN. 8 BIEN. FORKS 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.0 0.0 NATIVE PERENNIAL FORKS Achilles lanulosa 0 2 0 0 0 0 0 0 0.1 53 0.3 Allium acuminatum 0 0 0 0 0 0 0 0 0 0 0.0 67 0.0 Aster chilensis 2 0 0 4 6 2 0 0 6 4 1.6 67 3.3 Astragalus bisulcatus 0 0 0.0 1 3 0.0 Astragalus miser 4 / 8 8 12 0 2 6 4 2 0 2 8 4 4.3 93 8.8 Balsamorhiza sagiaata 6 0 0 4 0 0 0 1 0 0 6 t.7 67 3.6 Casdlleja chromosa 0 0 0.0 1 3 0.0 Cymopterus planosus 4 2 0 2 4 0 4 1 .1 47 2.2 Delphinium nelsonii 0 0 0 0.0 20 0.0 Erigeron eatonii 0 2 0 0 0.1 27 0.3 Erigeron speciosus 0 0.0 7 0.0 Eriogonum subalpinum 0 0.0 7 0.0 Grindelia squarrosa 0 0.0 7 0.0 Helianthella unillora 0 2 4 2 2 4 0 0 2 0 0 1.1 73 2.2 Lomatium bicolor 2 0 0 2 4 0 0.5 40 1.1 Microseris nutans 0 0 0 0 0 0 0 0.0 47 0.0 Orobanche fasdculata 0 0.0 7 0.0 Perideridia gairdneri 0 0 0 0 0.0 27 0.0 Phlox longilolia 0 0 0 0 0.0 27 0.0 Schoenocrambe linifolia 0 0 0 0 0 0 0.0 40 0.0 Senecio integerrimus 0 0 0 0 0 0 0.0 40 0.0 Stellaria jamesiana 0 0 0 0 0.0 2 7 0.0 Stenotus armerioides 0 0.0 7 0.0 Trifolium gymnoearpon 2 0 0 4 2 0 2 0 2 0.8 60 1.7 Wyethia amplexicaulis 24 0 0 1.6 20 3.3 TOTAL NATIVE PERENNIAL FORBS 1 0 1 8 1 2 3 6 2 0 1 0 1 2 B 1 2 8 1 2 2 1 0 1 6 8 12.9 26.8 • Pag~2 •