| Teucrium flavum L. subsp. gymnocalyx Rech. f. |
Lamiaceae |
| Teucrium cuneifolium Sm. |
Lamiaceae |
| Teucrium alpestre Sm. |
Lamiaceae |
| Telephium imperati L. subsp. pauciflorum (Greuter) Greuter & Burdet |
Caryophyllaceae |
| Tamarix minoa J. L. Villar, Turland, Juan, Gaskin, M. A. Alonso & M. B. Crespo |
Tamaricaceae |
| Symphytum creticum (Willd.) Runem, ex Greuter & Rech. f. |
Boraginaceae |
| Sternbergia lutea (L.) Ker-Gawl. ex Spreng. subsp. greuteriana (Kamari & Artelari) Strid |
Amaryllidaceae |
| Staehelina petiolata (L.) Hilliard & B.L. Burtt |
Asteraceae |
| Staehelina fruticosa (L.) L. |
Asteraceae |
| Stachys tournefortii Poir. |
Lamiaceae |
| Stachys spinosa L. |
Lamiaceae |
| Spiranthes spiralis (L.) Chevall. |
Orchidaceae |
| Solenopsis minuta (L.) C. Presl subsp. annua Greuter, Matthäs & Risse |
Campanulaceae |
| Silene vulgaris (Moench) Garcke subsp. suffrutescens Greuter et al. |
Caryophyllaceae |
| Silene variegata (Desf.) Steud. |
Caryophyllaceae |
| Silene succulenta Forssk. |
Caryophyllaceae |
| Silene sieberi Fenzl |
Caryophyllaceae |
| Silene pinetorum Boiss. & Heldr. subsp. sphaciotica Oxelman & Greuter |
Caryophyllaceae |
| Silene integripetala Bory & Chaub. subsp. lidenii Oxelman |
Caryophyllaceae |
| Sideritis syriaca L. subsp. syriaca |
Lamiaceae |
| Sibthorpia europaea L. |
Veronicaceae |
| Sesleria doerfleri Hayek |
Poaceae |
| Seseli crithmifolium (DC.) Boiss. |
Apiaceae |
| Serapias parviflora Parl. |
Orchidaceae |
| Serapias orientalis (Greuter) H. Baumann & Künkele subsp. orientalis |
Orchidaceae |
