Solanaceae | |
Nicotiana quadrivalvis var. bigelovii
| (Torr.) DeWolf | S. W. Naturalist 2(4): 179 | 1957 [1958] |
Solanaceae | |
Nicotiana quadrivalvis var. multivalvis
| (Lindl.) A. Gray | Syn. Fl. N. Amer. (ed. 2) 2(1): 243 | 1878 |
Solanaceae | |
Nicotiana quadrivalvis var. quadrivalvis
| | | |
Solanaceae | |
Nicotiana quadrivalvis var. wallacei
| (A. Gray) Mansf. | Kulturpflanze, Beih. 2: 398 | 1959 |