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33 <br />Table 8. Percent cover means (x) for the affected area and • <br />reference area of the Willow Carr vegetation type. Allen ~?ine, <br />CFBI Steel Corporation, July-August, 1981. <br />Affected Reference <br />Species or Area Area <br />Category X X <br />Grasses <br />Bromus ciliatus 0.2 0.2 <br />Career spp. 4.2 3.2 <br />Juncus spp. 1.5 1.0 <br />r"haZaris arundinncea -- 1.3 <br />Poa pratensis 3.2 -- <br />2oa sPP• I.3 -- <br />Stioa robusta -- 0.5 <br />Forbs <br />Annual Forbs 0.3 -- <br />Perennial Forbs -- 0.2 <br />Achilles miZlefolium 0.4 -- <br />Ambrosia trifida 2.3 -- <br />Arctium minus 2.3 4.3 <br />Artemisia dracunculus -- 5.2 <br />Cirsium arvense 4.2 4.5 <br />Cirsium fladmanii 0.3 0.6 -~ <br />Cyxoglossium officinale 2.6 5.4 <br />Eri,cerox formosissimus 0.1 1.3 <br />Geum macrophyllum 1.1 -- <br />ifumulus Lupulus 1.9 -- <br />Lactuca tatarica -- 0.5 <br />Ligusticum porteri 1.1 -- <br />Linaria vuLgaris 3.9 11.6 <br />hlentha spicata 0.5 -- <br />~Nertexsia spp. 5.8 -- <br />°otertilla hippiana 0.2 -- <br />Rudbeckia hirta 0.5 -- <br />ScroohuLarVa Zanceolata -- -- <br />Smiiacina stellata 0.8 -- <br />Solidaco altissima 9.7 1.8 <br />Verbena szrictc 0.5 0.6 <br />Viguiera muLti:Zora 0.2 0.3 <br />Shrubs <br />P,osa c~ocdsii 1.1 0.4 <br />Sali: exi.gua 4.9 3.3 <br />------------------------------------ <br />------------------------------_------ <br />X s X s <br />Total Plant Cover <br />Litter and Rock Cover <br />Bare Ground 43.1 <br />19.7 <br />58.6 13.6 <br />11.2 <br />16.1 3'0.8 <br />15.5 <br />67.5 13.1 , <br />12.0 <br />12.7 <br />Plant, Litter and Rock Cover 62.9 13.3 52.3 19.3 <br />