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Foster. R., E. Knake, R.H. McCarty, and J.J. Mortvedt. 1996. Weed Control Manual. 
    Meister Publishing Company, Willoughby OH. 

Fulbright, T.E., E.F. Redente, and N.E. Hargis. 1982. Growing Colorado Plants 
    from Seed: a state of the art. Vol. ill: Grasses and glass-like plants. U.S. 
    Dept. Int. Fish Wild. Srv. FWS/OBS-82/29/ 113 PP
   
Hanson, A.A. 1972. Grass varieties in the United States. U.S. Dept. of Agriculture 
    Handbook no. 170: 1-124.
   
Hiebert, R.D. and J. Stubbendieck. 1993. Handbook for Ranking Exotic Plants for 
    Management and Control. National Park Research Report NPS/NRMWRO/NRR-93/08.
   
Holm, L.G. D.L. Plunchnett, J.V. Pancho, and J.P. Herberger. 1977. The World's Worst 
    Weeds. East-West Center Book. Univ. Press of Hawaii, Honolulu, Hawaii. 609 pp.
   
James, L.F., J.O. Evans, M.H. Ralphs and R.D. Child (eds.) 1991. Noxious Range 
    Weeds. Westview Press. Boulder, Colorado. 466 pp.
   
King, L.J. 1966. Weeds of the World. Interscience Publishers, Inc. New York. 526 
    pp.
   
Knake, E.L., L. Wrage, D. Childs, B. Majek, C. Bryson, and J. Hull (eds.) 1991. 
    Weed control manual. Meister Publishing Company, Willoughby, Ohio. 410 pp.
   
Lorenzi, H.J. and L.S. Jeffrey. 1987. Weeds of the United States and Their Control. 
    Van Nostrand Reinhold Company, New York. 355 pp.
   
McGregor, R.L., T.M. Barkley, R.E. Brooks, E.K. Schofield. 1991. Flora of the Great 
    Plains. Great Plains Flora Association. University of Kansas Press.
   
Muenscher, M.C. 1980. Weeds. Cornell University Press, Ithaca, New York. 586 pp.
   
Redente, E.F., P.R. Ogle, and N.E. Hargis. 1982. Growing Colorado Plants from seed: 
    a state of the art. Vol. HI. Forbs. U.S. Dept. Int. Fish. Wildl. Serv. FWS/OBS-
    82/30. 141 pp.
   
Rocky Mountain National Park Resources Management Report No. 1. 1987. 27 Years 
    of Exotic Plant Control in Rocky Mountain National Park. Summary and 
    recommendations. Resources Management Division. Rocky Mountain National Park, 
    Colorado.
   
Rocky Mountain National Park Resources Management Report No. 13. 1991. Alien Plant 
    Survey, Monitoring, and Control. Resources Management Division. Rocky Mountain 
    National Park, Colorado.
   
Stevens, O.A. 1932. The number and weight of seeds produced by weeds. Amer. J. Bot. 
    19:784-794.
   
Stubbendieck, J. S.L. Hatch and C.H. Butterfield.. 1992. North American Range 
    Plants. Fourth Edition. University of Nebraska Press.
  
Stubbendieck, J., C.H. Butterfield, and T.R. Flessner. 1992. An assessment of 
    exotic plants of the midwest region. Final Report. Department of Agronomy, 
    University of Nebraska, Lincoln.
   
USDA. 1970. Common Weeds of the United States. Dover Publications, Inc. New York.
   
Vallentine, J.F. 1961. Important Utah Range Grasses. Utah State Ext. Cir. 281: 1-48.
   
Weber, W.A. 1988. Catalogue of the Vascular Plants of Rocky Mountain National Park. 
    2nd Edition. University of Colorado Museum, Boulder Colorado.
   
Welsh, S.D., N. D. Atwood, S. Goodrich and L.C. Higgins.(eds.) 1987. Great Basin 
    Naturalist Memoirs A Utah Flora No. 9. Brigham Young University, Provo Utah. 
    894 pp.
   
Whitson, T.D., L.C. Burill S.A.Dewey, D.W. Cudney, B.E. Nelson, R.D. Lee, R. Palmer. 
    1992. Weeds of the West. Pioneer of Jackson Hole Printing, Wyoming.
   
Yeatts, L. 1987. Survey of Rocky Mountain National Park to Document Special 
    Interest Plants and the General Flora. Year End Project Report. Denver Botanic 
    Gardens. Denver, Colorado.
   
Yeatts, L. 1988. Wetlands Plant Survey of Rocky Mountain National Park. Year End 
    Project Report. Denver Botanic Gardens. Denver. Colorado.
   
Yeatts' L. 1990. Botanical Survey of Rocky Mountain National Park. Year End Project 
    Report. Denver Botanic Gardens. Denver. Colorado.

Yeatts, L. 1990. Botanical Survey of Rocky Mountain National Park to Document Upland 
    Meadow Plants. Project Report. Denver Botanic Gardens. Denver, Colorado
   
Zimdahl. R.L. 1983. Weeds of Colorado. Cooperative Extension. Colorado State University, 
    Fort Collins CO. 218 pp.