Interspecific hybridization in nicotiana : I. On the results of backcrossing the F1 Sylvestris-tabacum hybrids to Sylvestris /
Goodspeed, T. H.
Interspecific hybridization in nicotiana : I. On the results of backcrossing the F1 Sylvestris-tabacum hybrids to Sylvestris / by T. H. Goodspeed and R. E. Clausen - Berkeley : University of California Press, 1922 - 30 p. : ill. ; 26 cm - University of California publications in botany ; 11 .
Interspecific hybridization in nicotiana : I. On the results of backcrossing the F1 Sylvestris-tabacum hybrids to Sylvestris / by T. H. Goodspeed and R. E. Clausen - Berkeley : University of California Press, 1922 - 30 p. : ill. ; 26 cm - University of California publications in botany ; 11 .