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West Elk Mrne forty-three species were introduced. None of the species encountered were designated noxious weed species. Endangered. Threatened, or Rare-Plant Species U.S. Fish and Wildlife Service (USFWS) lists of federally listed and candidate species- for the GMUG National Forests (February 2003) and the BLM Montrose Field Office (July 17, 2003) were reviewed. USFWS biologist AI Pfister (2003) confirmed that the lists are current with the exception of removal of the southwestern willow flycatcher.. Two listed plant species occur in these administrative units. The clay-loving wild buckwheat (Eriogonum pelinophilum) is restricted to clay adobe hills of the Mancos shale formation: The-Uinta Basin hookless cactus (Sclerocactus glaucus) occurs on gravelly flood terraces and shale mesas and slopes with scattered boulders. Neither species is known to occur above 7,000 feet elevation or within about 20 miles of the permit area. No federally listed threatened and endangered plant species were found anywhere within the permit area by surveys and studies conducted from 1976 through 1996. ,No critical habitat for any federally listed plant species has been designated within the permit area. Several species listed as rare or imperiled by the Colorado Natural Heritage Program (CNHP) or as sensitive by. the USFS or BLM may occur in the permit area. None are known to occur in the permit area, but suitable habitat exists. The yellow lady's-slipper (Cypripedium calceolus ssp. parviflorum) is a USFS Region 2 sensitive species, and ranked imperiled in Colorado by CNHP. The yellow lady's slipper is, a small forb that occurs in aspen, ponderosa pine, and Douglas-fir forests, and could occur in aspen and boughs-fir forests in the permit area. The nearest known occurrence is in Montrose County about 30 miles south of the project area (CNHP 1997). The Rocky Mountain thistle (Cirsium perplexans) is a USFS Region 2 sensitive species, BLM Colorado sensitive species, and ranked globally and state imperiled by CNHP. This native thistle is endemic to western Colorado and occurs in sagebrush, pinyon ;juniper, and mountain shrub communities, typically on disturbed sites. The species could occur in shrubland, pinyon-juniper, or dry meadow communities in the permit area. The nearest known occurrence is in Delta County about 6 miles west of the permit area. The Colorado desert-parsley (Lomatium concinnum) is a BLM sensitive species, ranked as globally and state imperiled by CNHP. This small perennial forb is endemic to western Colorado and occurs in pinyon-juniper and mountain shrub communities. It could occur in those communities in the permit area. The nearest known occurrence is in Delta County about 6 miles west of the permit area. The Montrose bladderpod (Lesquerella vicina) is a BLM sensitive species, ranked as globally and state imperiled by CNHP. This small perennial forb is endemic to west- central Colorado and occurs in pinyon-juniper and mouriain shrub communities. It could occur in those communities in the permit area. The nearest known occurrence is in Montrose County about 20 miles southwest of thr permit area. 2.04-156 RevisrAAOr~12004 VR/0