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TABLE 1. COVER DATA • ASPEN WOODLAND VEGETATION TYPE, SENECA II W MINE EXPANSION AREA PFABODY COAL- 1990 PLANTSPECIES Percent Foliar Cover AbG COVER FREQ. REL VEG.COVER Sample Number 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 (%) (%) (%) Heracleum sphondylium 0 0 0 0.0 20 0.0 Heuchera parvitolia 0 0.0 7 0.0 Hydrophyllum lendleri 2 0 0 0 0.7 27 0.2 Lathyrus leucan[hus 0 0 0 0 2 2 2 0 0 0 0.4 67 0.5 Ligusticum porleri 2 0 2 2 2 0 2 0 0 0.7 60 0.8 Lupinus caudaNS 0 0 0 0 0 0 0.0 40 0.0 Mertensia ciliata 0 2 0 0 0 0 0 0.1 47 0.2 Osmorhiza depauperata 4 2 0 2 0 2 0 4 0 0 0 0 0 0 0 0.9 100 1.1 Osmorhiza occidentalis 0 0 4 0 0 0 0 0.3 47 0.3 Pedicularis gray) 2 0 0 0.1 20 0.2 Perideridia galydneri 0 0 0 0 0 0 0 0 0.0 53 0.0 Polemonium loliosissimum 0 0.0 7 0.0 Potentilla gracilis 0 0 0 0 0 0.0 33 0.0 Rudbeckia ladniala 0 0 2 0 0 0.1 33 0.2 Seneeio eremophilus 0 0 0.0 1 3 0.0 Smilacina stellata 0 0 0 0 0.0 27 0.0 Solidago sparsiflora 2 4 0.4 1 3 0.5 Stellaria jamesiana 0 0 0 0 2 0 0 0 0 0 0.1 67 0.2 Streptopus amplexicaulis 0 0 0 0 0 0.0 33 0.0 Thalictrum fendlerl 0 0 4 0 0 0 0 0 0 0 0 0.3 73 0.3 7urritus glabra 0 0.0 7 0.0 Urtica dioica 0 2 4 0 0 0 0 0 0.4 53 0.5 Valerlana capitata 0 0 2 0 0 0 2 0 0 0 2 0.4 73 0.5 Vicia ameriwna 0 0 2 0 0 4 0 0 0 0 2 0 2 0 0.7 93 0.6 Viola praemorsa 0 0 2 6 0 0 0 0 0 0 4 0 2 0.9 87 1.1 TOTAL NATIVE PERENNIAL FORKS 16 8 12 24 0 16 6 6 12 10 4 4 8 10 6 9.9 11.2 INTRODUCED PERENNIAL FORKS Cirsium arvense 8 0 0.5 1 3 0.6 Taraxacum officinale 0 0 0 0 0 0 2 0 0 0 0.1 67 0.2 TOTAL INTRO. PERENNIAL FORKS 0 0 0 6 0 0 0 0 0 0 0 2 0 0 0 0.7 0.8 NATIVE PERENNIAL GRAMINOIDS Agropyron trachycaulum 0 2 0 2 2 0 2 0.5 47 0.6 Agroslis scabra 0 0.0 7 0.0 Kromopsis ciliatus 0 0 0 0 2 0 0 0 0 0.7 60 0.2 Carex geyeri D 0 0.0 1 3 0.0 Carex microphylla 2 0 0.1 13 0.2 Carex nebrazcensis 0 2 0 0.1 20 0.2 Ceratochloa marginate 0 0 2 2 0 0 0 0 2 0 2 0.5 73 0.6 Elymus glaucus 2 4 4 2 0 2 0 0 0 2 0 0 2 0 1.2 93 1.4 Hordeum jubatum 0 0.0 7 0.0 Poe agassizensis 2 0 0 6 0 0 0 0.5 4 7 0.6 Poa palustris 2 0 0 0 0 2 0 0.3 47 0.3 • Payll~ol3 •