| Runyonia longiflora Rose, 1922 |
| Salmianae (A. Berger) Verloove & Thiede |
| Samuela Trel., 1902 |
| Samuela carnerosana Trel., 1902 |
| Samuela faxoniana Trel., 1902 |
| Sansevieria Thunb., 1794 |
| Sansevieria guineensis (L.) Willd., 1799 |
| Sansevieria hyacinthoides (L.) Druce, 1914 |
| Sansevieria laurentii De Wild., 1904 |
| Sansevieria metallica Gérôme & Labroy, 1903 |
| Sansevieria thyrsiflora Thunb., 1794 |
| Sansevieria trifasciata Prain, 1903 |
| Sansevieria trifasciata var. laurentii (De Wild.) N.E. Br., 1915 |
| Sansevieria zeylanica (L.) Willd., 1799 |
| Sarcoyucca Linding, 1933 |
| Sarcoyucca endlichiana (Trel.) Linding, 1933 |
| Sarcoyucca periculosa (Baker) Linding, 1933 |
| Scilla L., 1753 |
| Scilla peruviana L., 1753 |
| Scilloideae Burnett, 1835 |