| 25283 | Nicotiana nudicaulis S. Watson | | | a | | Nicotiana nudicaulis S. Watson | |
| 100587 | Nicotiana stocktonii Brandegee | | | a | | Nicotiana stocktonii Brandegee | |
| 100595 | Nicotiana nesophila I. M. Johnst. | Nicotiana stocktonii Brandegee | 100587 | | | Nicotiana nesophila I. M. Johnst. | Nicotiana stocktonii Brandegee |
| 102422 | Nicotiana repanda Willd. ex Lehm. | | | a | | Nicotiana repanda Willd. ex Lehm. | |