| Valeriana sallei Briq., 1914 |
| Valeriana scandens L., 1762 |
| Valeriana scandens var. angustiloba Müll. Arg., 1885 |
| Valeriana scandens var. candolleana (Gardner) C.A. Müll., 1885 |
| Valeriana scandens var. dentata Müll. Arg., 1855 |
| Valeriana scandens var. scandens L., 1762 |
| Valeriana scorpioides DC., 1830 |
| Valeriana selerorum Graebn. & Loes., 1911 |
| Valeriana skutchii Standl., 1940 |
| Valeriana sorbifolia Kunth, 1819 |
| Valeriana sorbifolia var. barbareifolia (M. Martens & Galeotti) F.G. Mey., 1951 |
| Valeriana sorbifolia var. mexicana (DC.) F.G. Mey., 1951 |
| Valeriana sorbifolia var. sorbifolia Kunth, 1819 |
| Valeriana subincisa Benth., 1840 |
| Valeriana tanacetifolia F.G. Mey., 1951 |
| Valeriana tenella Killip, 1925 |
| Valeriana toluccana DC., 1830 |
| Valeriana tzotzilana Barrie, 2003 |
| Valeriana urticifolia Kunth, 1819 |
| Valeriana urticifolia var. scorpioides (DC.) Barrie, 2003 |