| Nicotiana acaulis Speg. |
Accepted |
12 |
| Nicotiana acuminata (Graham) Hook. |
Accepted |
10 |
| Nicotiana acuminata var. multiflora Reiche |
Accepted |
12 |
| Nicotiana africana Merxm. |
Accepted |
23 |
| Nicotiana alata Link & Otto |
Accepted |
9 |
| Nicotiana arentsii Goodsp. |
Accepted |
24 |
| Nicotiana benavidesii Goodsp. |
Accepted |
12 |
| Nicotiana bigelovii (Torr.) S. Watson |
Accepted |
24 |
| Nicotiana bigelovii var. quadrivalvis (Pursh) East |
Accepted |
24 |
| Nicotiana bonariensis Lehm. |
Accepted |
9 |
| Nicotiana clevelandii A. Gray |
Accepted |
24 |
| Nicotiana cordifolia Phil. |
Accepted |
12 |
| Nicotiana cutleri D'Arcy |
Accepted |
12 |
| Nicotiana forgetiana hort. ex Hemsl. |
Accepted |
9 |
| Nicotiana glauca Graham |
Accepted |
12 |
| Nicotiana glutinosa L. |
Accepted |
12 |
| Nicotiana kawakamii Y. Ohashi |
Accepted |
12 |
| Nicotiana knightiana Goodsp. |
Accepted |
12 |
| Nicotiana langsdorffii Weinmann |
Accepted |
9 |
| Nicotiana langsdorfii Schrank |
Accepted |
9 |
| Nicotiana linearis Phil. |
Accepted |
12 |
| Nicotiana longibracteata Phil. |
Accepted |
12 |
| Nicotiana longiflora Cav. |
Accepted |
10 |
| Nicotiana miersii J. Rémy |
Accepted |
12 |
| Nicotiana mutabilis Stehmann & Semir |
Accepted |
9 |
| Nicotiana noctiflora Hook. |
Accepted |
12 |
| Nicotiana obtusifolia M. Martens & Galeotti |
Accepted |
12 |
| Nicotiana otophora Griseb. |
Accepted |
12 |
| Nicotiana paa M. -Crov. |
Accepted |
12 |
| Nicotiana palmeri A. Gray |
Accepted |
12 |
| Nicotiana paniculata L. |
Accepted |
12 |
| Nicotiana pauciflora J. Rémy |
Accepted |
12 |
| Nicotiana petunioides (Griseb.) Millán |
Accepted |
12 |
| Nicotiana plumbaginifolia Viv. |
Accepted |
10 |
| Nicotiana quadrivalvis Pursh |
Accepted |
24 |
| Nicotiana repanda Lehm. |
Accepted |
24 |
| Nicotiana rosulata (Moore) Domin |
Accepted |
20 |
| Nicotiana rustica L. |
Accepted |
24 |
| Nicotiana setchellii Goodsp. |
Accepted |
12 |
| Nicotiana solanifolia Walp. |
Accepted |
12 |
| Nicotiana sylvestris Speg. & S. Comes |
Accepted |
12 |
| Nicotiana tabacum L. |
Accepted |
24 |
| Nicotiana thyrsiflora Goodsp. |
Accepted |
12 |
| Nicotiana tomentosa Ruiz & Pav. |
Accepted |
12 |
| Nicotiana tomentosiformis Goodsp. |
Accepted |
12 |
| Nicotiana trigonophylla Dunal |
Accepted |
12 |
| Nicotiana undulata Ruiz & Pav. |
Accepted |
12 |
| Nicotiana wigandioides Koch & Fintelmann |
Accepted |
12 |
| Nicotiana benthamiana Domin |
Unresolved |
19 |
| Nicotiana burbidgeae Symon |
Unresolved |
21 |
| Nicotiana corymbosa Remy |
Unresolved |
12 |
| Nicotiana corymbosa var. australis Goodsp. |
Unresolved |
12 |
| Nicotiana debneyi Domin |
Unresolved |
24 |
| Nicotiana eastii Kostov |
Unresolved |
32 |
| Nicotiana forgetiana hort. ex Hemsl. |
Unresolved |
9 |
| Nicotiana fragrans Bernh. ex Steud. |
Unresolved |
24 |
| Nicotiana fragrans Hook. |
Unresolved |
24 |
| Nicotiana glandulosa Buckley |
Unresolved |
21 |
| Nicotiana gossei Domin |
Unresolved |
18 |
| Nicotiana heterantha Symon & Kenneally |
Unresolved |
24 |
| Nicotiana longicauda Duj. |
Unresolved |
None |
| Nicotiana longifolia Cav. |
Unresolved |
10 |
| Nicotiana petiolaris Schltdl. ex Dunal |
Unresolved |
24 |
| Nicotiana rustica Comes |
Unresolved |
24 |
| Nicotiana spegazzinii Millán |
Unresolved |
12 |
| Nicotiana stocktonii Brandegee |
Unresolved |
24 |
| Nicotiana suaveolens Lehm. |
Unresolved |
16 |
| Nicotiana truncata Symon |
Unresolved |
18 |
| Nicotiana acuminata var. acuminata |
Synonym of Nicotiana acuminata (Graham) Hook. |
10 |
| Nicotiana bigelovii var. bigelovii |
Synonym of Nicotiana bigelovii (Torr.) S. Watson |
24 |
| Nicotiana bigelovii var. quadrivalvis (Lindley) East |
Synonym of Nicotiana bigelovii var. quadrivalvis (Pursh) East |
24 |
| Nicotiana corymbosa |
Synonym of Nicotiana corymbosa Remy |
12 |
| Nicotiana miersii var. miersii |
Synonym of Nicotiana miersii J. Rémy |
12 |
| Nicotiana noctiflora |
Synonym of Nicotiana noctiflora Hook. |
12 |
| Nicotiana noctiflora var. albiflora Comes |
Synonym of Nicotiana paa M. -Crov. |
12 |
| Nicotiana palmeri None |
Synonym of Nicotiana palmeri A. Gray |
12 |
| Nicotiana caudigera Phil. |
Synonym of Nicotiana pauciflora J. Rémy |
12 |
| Nicotiana pampasana Kuntze |
Synonym of Nicotiana petunioides (Griseb.) Millán |
12 |
| Nicotiana cavanillesii Dunal |
Synonym of Nicotiana plumbaginifolia Viv. |
10 |
| Nicotiana multivalvis Lindl. |
Synonym of Nicotiana quadrivalvis var. multivalvis (Lindl.) A. Gray |
24 |
| Nicotiana sanguinea None |
Synonym of Nicotiana sanguinea Link & Otto ex Dunal |
24 |
| Nicotiana stocktonii Brandg. |
Synonym of Nicotiana stocktonii Brandegee |
24 |
| Nicotiana rotundifolia Lindl. |
Synonym of Nicotiana suaveolens var. rotundifolia (Lindl.) Comes |
22 |
| Nicotiana rotundifolia Lindl. |
Synonym of Nicotiana suaveolens var. rotundifolia (Lindl.) Comes |
22 |
| Nicotiana attenuata Steud. |
Synonym of Nicotiana tabacum L. |
24 |
| Nicotiana attenuata Steud. |
Synonym of Nicotiana tabacum L. |
24 |
| Nicotiana tabacum Linn. |
Synonym of Nicotiana tabacum L. |
24 |
| Nicotiana tomentosa |
Synonym of Nicotiana tomentosa Ruiz & Pav. |
12 |
