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34 <br />• Table 9. Production means (z) in gms/mz for the affected area and <br />reference area of the 'willow Carr vegetation type. Allen Mine, CF&I <br />Steel Corporation, July-August, 1981. <br />Affected Reference <br />Species or Area Area <br />Category x x <br />Grasses <br />Aoropyron spp. 0.5 0.9 <br />Bromus cK;Ziatus 4.4 2.5 <br />Bromus inermis -- 1.2 <br />Carex spp. 8.5 12.5 <br />Juncus spp. 4.0 7.8 <br />Phalaris arundinacea -- 10.6 <br />Paa pratensis 7.7 0.2 <br />Poa spp. 6.0 -- <br />Stipa roousta -- 3.9 <br />Forbs <br />Annual forbs 0.8 0.3 <br />Perennial forbs -- 9.4 <br />Achilles millefolium 1.0 -- <br />Ambrosia trifida 41.4 -- <br />Arctium minus -- 3.5 <br />Artemisia dracunculus <br />• 10.5 46.6 <br />~ <br />Cirsium azvense 22.5 20.2 <br />Cirsium flodmanii 0.6 1.8 <br />Cynoglosszart officinale 11.3 27.7 <br />crigeron formosissimus 0.3 11.7 <br />Geum macrophyllum 1.4 -- <br />Clycyrrhiza Zepidota 3.4 -- <br />HwmAlus ZupuZus 16.4 -- <br />Lactuca tatarica -- 0.4 <br />Ligusticum parseri 1.8 -- <br />Linaria vulgar-Zs 15.7 33.7 <br />Mentha spicata 1.0 -- <br />Mertensia spp. 8.9 -- <br />PotentiZla hioriana 0.4 -- <br />Potentilla spp. 0.3 -- <br />Rudbeckia hirta 0.5 -- <br />Scronhularic Zcnceola+.a 0.4 -- <br />Serecio spp. -- 0.1 <br />Smilacina steZlata 9.1 -- <br />SoZidago altissima 5b.9 17.2 <br />Thalictrum dcsyphullum 0.5 -- <br />Veroena stricta 1.5 1.4 <br />Viguiera muZti~"lots 2.3 1.0 <br /> X s % S <br />•, total Production 240.0 122.4 21x.3 94.8 <br /> <br />