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  • Chapter 11
    Clausen and T.H. Goodspeed (1925; T.H. Goodspeed and R.E. Clausen 1928) in Nicotiana, as well as J.Clausen et al. (J.Clausen 1951) in the Compositae subtribe
    60 KB (8,674 words) - 23:32, 13 February 2019
  • Literature Cited (Vol 1)
    1932. Interspecific hybridization in Nicotiana XIII. Further data as to the origin and constitution of Nicotiana tabacum. Svensk Bot. Tidskr. 26: 123--136
    167 KB (27,143 words) - 18:24, 1 February 2019