| Sarcoyucca endlichiana (Trel.) Linding, 1933 |
| Sarcoyucca periculosa (Baker) Linding, 1933 |
| Scilla L., 1753 |
| Scilla peruviana L., 1753 |
| Scilloideae Burnett, 1835 |
| Sisalanae Thiede & Gideon F. Sm., 2019 |
| Smilacina Desf., 1807 |
| Smilacina amoena H.L. Wendl., 1850 |
| Smilacina amoena var. salvinii (Baker) Emons, 1945 |
| Smilacina amplexicaulis Nutt., 1834 |
| Smilacina amplexicaulis var. glabra J.F. Macbr., 1918 |
| Smilacina amplexicaulis var. jenkinsii B. Boivin, 1951 |
| Smilacina amplexicaulis var. ovata B. Boivin, 1951 |
| Smilacina bertolonii Kunth, 1850 |
| Smilacina crassipes Standl. & Steyerm., 1947 |
| Smilacina flexicaulis Wender., 1831 |
| Smilacina flexuosa Bertol., 1840 |
| Smilacina flexuosa var. erubescens Emons, 1945 |
| Smilacina gigas Woodson, 1940 |
| Smilacina latifolia Nutt. ex Baker, 1875 |