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31 <br />Table 6. Production means (x) in gms/mz for the affected area and • <br />reference area of the Ponderosa Pine-Douglas Fir-Oak vegetation <br />type. Allen Mine, CF&I Steel Corporation, July-August, 1981. <br />Affected Reference <br />Species or Area Area <br />Category x x <br />Brasses <br /> <br /> <br />Perennial Brass 0.1 -- <br />Aaropyron spp. 0.6 0.2 <br />Andropogon scaparium 0.1 0.9 <br />BouteZoua graciZis 0.3 0.3 <br />Bromus marginatus -- 0.01 <br />Carer spp. 1.I 1.3 <br />Danthonia parryi 0.5 0.01 <br />Festuca spp. 0.04 -- <br />ifoeleria crtistata 1.2 0.3 <br />Muhlenbergia montana 0.7 0.7 <br />Poa spp.. -- 0.1 <br />Forbs <br />Perennial forb -- 0.03 <br />AchiZZea miZZefoZium 0.1 0.2 <br />AZZium textile 0.02 0.02 <br />Anemcne patens 0.3 0.2 <br />Antennaxic roses 0.2 0.3 <br />Arenaria fendlerti 0.1 -- <br />Artemisia Zudoviciana -- 0.01 <br />Aster falcatus 0.1 -- <br />Besseya plantaginea 0.2 0.5 <br />Clematis hirsutissima 0.04 0.1 <br />Comcndra pallida 0.1 -- <br />Erigeron flagellar~s 0.1 -- <br />Fraaaria ovalis 0.3 0.3 <br />Galium boreale 0.1 0.2 <br />Geranium viscosissimum, 0.1 0.04 <br />Geum strictum -- 0.1 <br />GiZia agarecata -- 0.1 <br />Grindelia souarros¢ -- 0.03 <br />Potentilla concinna -- 0.02 <br />Solidaao missouriensis 0.1 <br />Smertia radiata -- 0.4 <br />ThaZictz^un fendleri 0.3 0.1 <br />Tocrosendia eximia 0.2 -- <br />Trifolium spp. 0.01 0.2 <br />vicia cv~rericana <br />----------------- <br />----------------- 0.2 <br />-------------- <br />---------- <br />- 0.1 <br />----- <br />- <br /> _ <br />--- <br />X 5 X ---- <br />5 <br />Total Production 6.9 3.8 7.3 4.6 . <br />