| Dahliaphyllum Constance & Breedlove, 1994 |
| Dahliaphyllum almedae Constance & Breedlove, 1994 |
| Daucosma Engelm. & A. Gray, 1850 |
| Daucus L., 1753 |
| Daucus australis Poepp. ex DC., 1830 |
| Daucus carota L., 1753 |
| Daucus montanus Humb. & Bonpl. ex Spreng., 1820 |
| Daucus pusillus Michx., 1803 |
| Daucus toriloides DC., 1830 |
| Deanea J.M. Coult. & Rose, 1895 |
| Deanea glauca J.M. Coult. & Rose, 1900 |
| Deanea longibracteata J.M. Coult. & Rose, 1900 |
| Donnellsmithia J.M. Coult. & Rose, 1890 |
| Donnellsmithia ampulliformis Mathias & Constance, 1973 |
| Donnellsmithia biennis (J.M. Coult. & Rose) Mathias & Constance, 1941 |
| Donnellsmithia breedlovei Mathias & Constance, 1968 |
| Donnellsmithia coahuilensis Mathias & Constance, 1981 |
| Donnellsmithia cordata (J.M. Coult. & Rose) Mathias & Constance, 1941 |
| Donnellsmithia dissecta (J.M. Coult. & Rose) Mathias & Constance, 1941 |
| Donnellsmithia guatemalensis J.M. Coult. & Rose, 1890 |