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crassus (Payson lupine) could possible occur on the site. Payson lupine is a U.S. Fish and <br />Wildlife Service category 2 species. Category 2 species are candidates for listing as <br />endangered or threatened for which additional data are needed before listing can proceed. <br />Thorough searches of the study area, including searches of likely microhabitats, failed to <br />produce any specimens of Payson lupine. The searches also failed to produce any other plant <br />species of special concern. The results indicate that it is extremely unlikely that any such <br />species occur in the study, or proposed permit area. <br />A number of Colorado designated noxious weeds were found during the 1987 vegetation <br />surveys. The presence of these noxious and restricted weeds is not unexpected due to the <br />intensive agricultural activities and large amount of disturbed and abandoned areas within the <br />study area. There were four prohibited noxious weeds encountered during the studies. They <br />are: <br />Field bindweed (Convolvulus arvensis) <br />Jointed goat grass (Aegilops cylindrica) <br />Canada thistle (Cirsium arvense) <br />Hairy whitetop (Cardaria pubescens) <br />In addition five restricted noxious weeds were also found. They are: <br />Curly dock <br />Blue lettuce <br />Buckhorn plantain <br />Poverty sumpweed <br />Quackgrass <br />(Rumex crispus) <br />(Lettuce pulchella) <br />(Plantago lanceolate) <br />{Ira axillaris) <br />(Agropyron repens) <br />The above noxious weeds were determined from Appendix B to OMLR's draft "Guidelines for <br />Compliance with Land Use and Vegetation Requirements for Coal Mining". <br />(REVISED 9/1999) 2.04.10 - 26 <br />