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Botany
Bailey, L. H. 1949. Manual of cultivated plants.
Barkley, T.M. 1986. Flora of the Great Plains. University Press of Kansas.
Blair, A. P. and T. H. Hubbell. 1938. The biotic districts of Oklahoma. Am. Midl. Nat. 20:425-454.
Bruner, W. E. 1931. The vegetation of Oklahoma. Ecol. Monogr. 1:99-188.
Collins, S. L., P. G. Risser, and E. L. Rice. 1981. Ordination and classification of mature bottomland forests in north central Oklahoma. Bull. Torrey Bot. Club 108:152-165.
Davis, P. H. and J. Cullen. 1979. The identification of flowering plant families, 2nd edition. Cambridge Univ. Press, New York.
Fernald, M. L. 1950. Gray's manual of botany, 8th edition. American Book Co., New York.
Futle, E. L. 1981. Forest trees of Oklahoma: how to know them. Oklahoma Forestry Division, Publication No. 1, Revised edition No.12.
Great Plains Flora Association. 1976. Atlas of the flora of the great plains. Iowa State University Press, Ames, Iowa.
Harris, J. G. and M. W. Harris. 1994. Plant identification terminology: an illustrated glossary. Spring Lake Publishing, Spring Lake, Utah.
Hunter, C. G. 1989. Trees, shrubs, and vines of Arkansas. The Ozark Society Foundation, Little Rock, AR.
Hunter, C. G. 1984. Wildflowers of Arkansas. The Ozark Society Foundation, Little Rock, AR.
Jeffery, C. 1982. An introduction to plant taxonomy. Cambridge Univ. Press.
Johnson, F. L. 1986. Woody vegetation of southeastern LeFlore county, Oklahoma, in relation to topography. Proc. Okla. Acad. Sci. 66:1-6.
Kuchler, A. W. 1970. Potential natural vegetation. pp. 8992 In: The national atlas of the United States of America. UDSI, Geological Survey, Washington, D.C.
Lellinger, D. B. 1983. A field manual of the ferns and fern-allies of the United Stets and Canada. Smithsonian Institution Press, Washington, D.C.
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Little, E. A. and C. E. Olmstead. 1936. Trees and shubs of the southeastern Oklahoma protective unit. Proc. Okla. Acad. Sci. 16:52-61.
McGregor, R. L. 1986. Flora of the Great Plains. Univ. Press of Kansas.
Matlack, G. 1994. Plant demography, land-use history, and the commercial use of forests. Conserv. Biol. 8(1):298-299.
Owensby, C. E., K. R. Blan, B. J. Eaton, and O. G. Russ. 1973. Evaluation of eastern redcedar infestations in the northern Kansas Flint Hills. J. Range Manage. 26:256-260.
Rice, E. L. 1965. Bottomland forests of north-central Oklahoma. Ecology 46:708-714.
Rice, E. L. and W. T. Penfound. 1959. The upland forests of Oklahoma. Ecology 40:593-608.
Smith, E. B. 1994. Keys to the Flora of Arkansas. University of Arkansas Press, Fayetteville, AR.
Stephens, H. A. 1973. Woody plants of the north central plains. Univ. of Kansas Press, Lawrence, Kansas.
Whitson, T. D. 1996. Weeds of the west (5th edition). Pioneer of Jackson Hole, Jackson, Wyoming.