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• represented by the most species in Peabody Appendix 10-1 include perennial forbs (65), perennial <br />graminoids (46) and annual forbs (37). <br />The search of the Colorado Natural Areas Inventory data base indicated that no data are available for the <br />locality in which the study area occurs. However, both the Colorado Department of Natural Resources <br />and the U.S. Fish and Wildlife Service Indicated that Luoinus crassus (Payson lupine) could possible <br />occur on the site. Payson lupine is a U.S. Fish and Wildlife Service category 2 species. Category 2 <br />species are candidates for listing as endangered or threatened for which additional data are needed <br />before listing can proceed. Thorough searches of the study area, including searches of likely <br />microhabitats, failed to produce any specimens of Payson lupine. The searches also failed to produce <br />any other plant 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 surveys. The <br />presence of these noxious and restricted weeds is not unexpected due to the intensive agricultural <br />activities and large amount of disturbed and abandoned areas within the study area. There were four <br />prohibited noxious weeds encountered during the studies. They are: <br />• Fi <br />d <br />ld bi <br />d l <br />i <br />C <br />l <br />wee <br />e <br />n onvo <br />vu <br />us arvens <br />( <br />s) <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 (Rumex crispus) <br />Blue lettuce (Lactuca pulchella) <br />Buckhorn plantain (Plantago lanceolata) <br />Poverty sumpweed (Ira axillaris) <br />Quackgrass (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 B/75/00) 2.04.10 - 23 <br />