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Species Diversity (Densitvl <br />A full accounting of all plant species encountered within each of the areas sampled for <br />cover was compiled. In addition, cover data were used to calculate the species density <br />(mean number of species present. per unit area) of each sampled area. <br />Species presence was noted within the area one meter to either side of the transect (50 <br />m x 2 m = 100 m2). These presence data along with point-intercept data were used to <br />produce values for species density expressed on a per-100 sq.m. basis. <br />Species Nomenclature <br />Scientific names used follow Weber and Wittman (1996) except as cited below, <br />common names cited are found in Beetle (1970), Nickerson et a/. (1976), or Soil <br />Conservation Service (1979). Cross reference to the substantially revised scientific <br />nomenclature for the flora of Western Colorado, as set forth by Weber and Wittman <br />(2001), may be determined by reference to Weber and.Wittman (1992). Consistent with <br />the opinions of the ESCO personnel conducting the sampling, Poa ampla has been <br />separately identified even though Weber and Wittman (1996) place it in synonymy with <br />' Poa secunda. Although mountain brome is here referred to.as Ceratochloa carinata, <br />consistent with the cited reference, it is probably really the plant formerly previously <br />' known as Bromus polyanthus that is perennial and native to Colorado, unlike C. <br />carinata. <br />' During the course of the fieldwork, a list of all encountered plant species (quantitative <br />plus incidental observations) was compiled for each reclamation area and the reference <br />area. These lists are summarized in Appendix 2, Table 12, Species Present - <br />Reclaimed and Reference Areas, which includes current nomenclature and cross <br />references to older nomenclature. <br />3 <br />