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<br />Table 1. Frequency Summary for Forb Species in Reclaimed Areas and Native Reference Areas at the Walden <br />Coal Company Mine Site in Jackson County, Colorado. 1997 and 1998 data. <br /> 1981 Reclaimed Area 1988 Reclaimed Area Grassland Reference Shrubland Reference <br /> 1997 1998 1997 1998 1997 1998 1997 1998 <br /> <br />Perennial Forbs ~ <br />Achilles lanulosa 60.00 60.00 5.00 <br />Androsace septentrionah's 6.67 6.67 63.33 33.33 <br />Antennana parvilolia 6.67 53.33 73.33 <br />Arabis holboellii 1000 <br />Astragalus titer 6.67 10.00 ~ <br />Astragalus kentrophyta 13.33 6.67 5.00 73.33 80.00 <br />Asragalus purshu 13.33 <br />Astragalus pech'natus 13.33 <br />Astragalus spatulatus 5.00 13.33 13.33 <br />Astraglus sp. 5.00 6.67 <br />Calochortus nuttallii 6.67 <br />Cashlleja chmmosa 6.fi7 <br />Cirsium arvense 5.00 <br />Comandra umbellata :0.00 26.67 20.00 13.33 <br />Eriogonum sp. 53.33 53.33 <br />Eriogonum umbellatum 86.67 80.00 <br />Heuchera parvdolia 33.33 20.00 <br />Hymenoxis hchardsonit 100.00 100.00 <br />Ipomopsis aggregata 6.67 <br />Lesquerella ludoviciana 13.33 <br />Machaeranthera canescens 20.00 5.00 <br />Medicago saliva 6.67 <br />Mertensia lanceolafa 26.67 33.33 <br />Paronychia sessilillora 86.67 93.33 <br />Penstemon sMctus 20.00 46.fi7 50.00 75.00 6.67 <br />Phlox hoodil/pumila 5.00 100.00 93.33 40.00 60.00 <br />Phlox longdoGa 6.67 <br />Phloz mulflflora 26.67 33.33 <br />Physaha flohbunda 6.67 6.67 <br />Pofenh~lla gracilis 13.33 26.67 <br />Rumex salicifolius 6.67 <br />Senecio integemmus 13.33 <br />Taraxacum o/flcina/e 6.67 10.00 <br /> <br /> <br />Annual Forbs <br />Chenopodium sp. 10.00 6.67 6.67 <br />Collinsia parviflora 13.33 <br />Cordylanthus wdghfii 40.00 33.33 100.00 100.00 <br />Descurainia pinnafa 5.00 <br />Genfianopsis thermalis 6.67 <br />Microstehs micrantha 6.67 <br /> <br /> <br />Total Number of Forb Species 8 10 5 9 11 12 13 13 <br /> <br />Number of Forb Species with <br />Frequency Values equal to or <br />greater than 50%. <br />1 <br />1 <br />1 <br />1 <br />5 <br />5 <br />4 <br />4 <br />Number of Forb Species with <br />Frequency Values equal to or <br />greater than 40%. <br />2 <br />2 <br />1 <br />1 <br />6 <br />5 <br />5 <br />4 <br /> <br />