TY  - GEN
AU  - Goodspeed,T.H.
AU  - Clausen,R.E.
TI  - Interspecific hybridization in nicotiana: V. Cytological features of two F1 hybrids made with nicotiana Bigelovii as a parent 
PY  - 1927///
CY  - Berkeley
PB  - University of California Press
ER  -