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the unit averaged 25.2% with annual and biennial cover averaging 4.3%, and no noxious weed <br />cover was observed. Dominant taxa were blue grama (Bouteloua gracilis), big sagebrush <br />(Artemisia tridentata), and James' galleta (Hilaria jamesii), with 6.5%, 5.4%, and 3.9% average <br />cover, respectively. Table 2 exhibits the summarized relative cover results. <br />Production <br />Current annual herbaceous production across the area averaged 382.1 pounds per acre with <br />perennial vegetation comprising 292.1 pounds per acre. Perennial grasses and perennial forbs <br />were the dominant categories totaling 186.0 and 95.3 pounds per acre, respectively. <br />Shrub Density <br />Woody plant density across the area yielded 853.9 stems per acre. Dominant taxa were big <br />sagebrush, plains pricklypear (Opuntia polyacantha), and four -wing saltbush (Atriplex <br />canescens) with 586.6, 137.6, and 95.1 stems per acre, respectively. <br />RARE AND ENDANGERED PLANTS <br />Examination of the Colorado Rare Plant Field Guide, published by the Colorado Rare Plant <br />Technical Committee in 1999 and posted at <br />http://www.cop.colostate.edu/download/projects/raeplants, reveals that there are 16 species of <br />potential Rare or Endangered Plants known to exist in Montrose County or the adjacent portions <br />of Mesa or San Miguel counties. These include: Adiantum capillus -veneris (Southern maiden- <br />hair fern; Aletes eastwoodiae (Eastwood desert -parsley); Astragalus linifolius (Grand Junction <br />milkvetch); Astragalus naturitensis (Naturita milkvetch); Astragalus sesquiflorus (Sandstone <br />milkvetch); Astragalus wetherillii (Wetherill milkvetch); Epipactis gigantea (Giant helleborine); <br />Erigeron kachinensis (Kachina daisy); Eriogonum pelinophilum (Clay -loving wild buckwheat); <br />Gilia penstemonoides (Black Canyon gilia); Lomatium concinnum (Colorado desert -parsley); <br />Lupinus crassus (Payson lupine); Mimulus eastwoodiae (Eastwood monkey -flower); Penstemon <br />breviculus (Little penstemon); Penstemon retrorsus (Adode beardtongue) and Sclerocactus <br />glaucus (Colorado Hookless Cactus). <br />Examination of the Colorado Rare Plant Field Guide - 2002 Update published by the Colorado <br />Natural Heritage Program and posted at the same website, reveals that an additional three species <br />of potential Rare or Endangered Plants are known to exist in Montrose County or the adjacent <br />portions of Mesa or San Miguel counties. These include: Cirsium perplexans (Adobe thistle); <br />Lesquerella vicinia (Good -neighbor bladderpod) and Pediomelum aromaticum (Aromatic Indian <br />breadroot). <br />Section 2.04. 10 Page 30 of 36 June 2016 (TR -14) <br />