The genus nicotiana : Origins, relationships and evolution of its species in the light of their distribution, morphology and cytogenetics.
- 536 páginas
- Chronica botanica ; v. 16, no. 1-6 .
Contenido: pte. i-v: distribution, morphology, cytology of species, cytology of fl interspecific hybrids, phylesis, by t. h. goodspeed.- pte. vi: taxonomy, by t. h. goodspeed, h. m. wheeler and p. c. hutchison.