Plant Family: 5 Genera in Stylidiaceae – Trigger Plant Family

Plant Family: 2 Genera in Talinaceae

Plant Family: 5 Genera in Surianaceae

Plant Family: 3 Genera in Strelitziaceae

Plant Family: Stachyuraceae – Genus Stachyurus

Plant Family: Sphenocleaceae – Genus Sphenoclea

Plant Family: 2 Genera in Strasburgeriaceae

Plant Family: 12 Genera in Stilbaceae

Plant Family: 12 Genera in Stemonuraceae

Plant Family: 4 Genera in Stemonaceae

Plant Family: Stegnospermataceae – Genus Stegnosperma

Plant Family: 3 Genera in Staphyleaceae

Plant Family: 60 Genera in Scrophulariaceae – Figwort Family

Plant Family: 102 Genera in Solanaceae

Plant Family: Simmondsiaceae – Simmondsia Chinensis in Genus Simmondsia – Jojoba

Plant Family: 20 Genera in Simaroubaceae

Plant Family: Smilacaceae – 264 Species in Genus Smilax – Greenbrier

Plant Family: 2 Genera in Sphaerosepalaceae

Plant Family: Setchellanthaceae – Setchellanthus Caeruleus in Genus Setchellanthus

Plant Family: 2 Genera in Sladeniaceae

Plant Family: Scheuchzeriaceae – Scheuchzeria Palustris in Genus Scheuchzeria

Plant Family: 2 Genera in Siparunaceae

Plant Family: Sciadopityaceae – Sciadopitys Verticillata in Genus Sciadopitys

Plant Family: 3 Genera in Schoepfiaceae