| Podostemaceae | |
Dalzellia angustissima
| M. Kato | Acta Phytotax. Geobot. 57: 12 | 2006 |
| Podostemaceae | |
Dalzellia carinata
| C. Cusset | in Fl. Camb., Laos & Vietn. 14: 78 | 1973 |
| Podostemaceae | |
Dalzellia ceylanica
| Wight | Icon. Pl. Ind. Orient. 5: 34 | 1852 |
| Podostemaceae | |
Dalzellia diversifolia
| C. Cusset | Fl. Cambodge, Laos & Vietnam 14: 78 | 1973 [1973] |
| Podostemaceae | |
Dalzellia foliosa
| Wight | Icon. Pl. Ind. Orient. 5: 34 | 1852 |
| Podostemaceae | |
Dalzellia gracilis
| C.J. Mathew, Jáger-Zürn & Nileena | Int. J. Pl. Sci. 162: 900 | 2001 |
| Podostemaceae | |
Dalzellia kailarsenii
| M. Kato | Acta Phytotax. Geobot. 57: 12 | 2006 |
| Podostemaceae | |
Dalzellia lawii
| Wight | Icon. Pl. Ind. Orient. 5: 34 | 1852 |
| Podostemaceae | |
Dalzellia pedunculosa
| Wight | Icon. Pl. Ind. Orient. 5: 34 | 1852 |
| Podostemaceae | |
Dalzellia ramosissima
| Wight | Icon. Pl. Ind. Orient. 5: 34, t. 35 | 1852 |
| Podostemaceae | |
Dalzellia ranongensis
| M. Kato | Acta Phytotax. Geobot. 57: 10 | 2006 |
| Podostemaceae | |
Dalzellia sessilis
| (Hsiu C. Chao) C. Cusset & G. Cusset | Bull. Mus. Natl. Hist. Nat., B, Adansonia, sér. 4 10: 173 | 1988 |
| Podostemaceae | |
Dalzellia ubonensis
| M. Kato | Acta Phytotax. Geobot. 57: 10 | 2006 |
| Podostemaceae | |
Dalzellia zeylanica
| (Gardner) Wight | Icon. Pl. Ind. Orient. 5(2): 35 | 1852 |