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  1. By: Tehon, L. R. (Leo Roy),
    Publication info: Urbana, Ill, Natural History Survey Division, 1951
    Holding Institution: University Library, University of Illinois Urbana Champaign
  2. By: Tehon, L. R. (Leo Roy), - Illinois. Natural History Survey Division
    Publication info: Urbana, Natural History Survey Division, 1942
    Holding Institution: Multiple institutions
  3. By: Tehon, L. R. (Leo Roy),
    Publication info: Urbana, Ill, University of Illinois, 1935
    Holding Institution: University Library, University of Illinois Urbana Champaign
  4. By: Tehon, L. R. (Leo Roy), - Stout, G. L.
    Publication info: Urbana, State Natural History Survey Division, 1929
    Holding Institution: University Library, University of Illinois Urbana Champaign
  5. By: Tehon, L. R. (Leo Roy),
    Edition: 2d printing, with revisions.
    Publication info: Urbana, 1942
    Holding Institution: University Library, University of Illinois Urbana Champaign
  6. By: Tehon, L. R. (Leo Roy),
    Edition: 4th print, with revisions.
    Publication info: Urbana, 1952
    Holding Institution: University Library, University of Illinois Urbana Champaign
  7. By: Tehon, L. R. (Leo Roy),
    Edition: 5th printing, with revisions.
    Publication info: Urbana, 1958
    Holding Institution: University Library, University of Illinois Urbana Champaign
  8. By: Tehon, L. R. (Leo Roy),
    Publication info: Urbana, 1939
    Holding Institution: University Library, University of Illinois Urbana Champaign
  9. By: Tehon, L. R. (Leo Roy),
    Publication info: Urbana, 1937
    Holding Institution: University Library, University of Illinois Urbana Champaign
  1. By: Tehon, L. R. (Leo Roy),
    Type: Article
    In: Torreya
    Volume: 29
    Issue: 2
    Date: 1929
    Page Range: 42--46
    Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945
  2. By: Tehon, L. R. (Leo Roy),
    Type: Article
    In: Botanical gazette
    Volume: 67
    Issue: 6
    Date: 1919
    Page Range: 501--511
    Publication Info: Hanover, Ind, [publisher not identified], 1876-1991
  3. By: Tehon, L. R. (Leo Roy),
    Type: Article
    In: Botanical gazette
    Volume: 65
    Issue: 6
    Date: 1918
    Page Range: 552--555
    Publication Info: Hanover, Ind, [publisher not identified], 1876-1991