| Commelina rufipes var. glabrata (D.R. Hunt) Faden & D.R. Hunt, 1987 |
| Commelina rufipes var. rufipes Seub., 1855 |
| Commelina rzedowskii López-Ferr., Espejo & Ceja, 1997 |
| Commelina scabra Benth., 1840 |
| Commelina scabrata Seub., 1855 |
| Commelina scapigera Kunth, 1843 |
| Commelina serrulata Vahl, 1798 |
| Commelina socorrogonzaleziae Espejo & López-Ferr., 1993 |
| Commelina standleyi Steyerm., 1944 |
| Commelina stricta Bouché, 1829 |
| Commelina swingleana Nash, 1895 |
| Commelina texcocana Matuda, 1955 |
| Commelina tuberosa L., 1753 |
| Commelina tuberosa var. inflata M. Martens & Galeotti, 1842 |
| Commelina tuberosa var. nana M. Martens & Galeotti, 1842 |
| Commelina variabilis Schltdl., 1838 |
| Commelina vestita Seub., 1855 |
| Commelina virginica L., 1762 |
| Commelina virginica var. angustifolia (Michx.) C.B. Clarke, 1881 |
| Commelina zanonia L., 1753 |