Scorzoneroides autumnalis
Autumn Hawkbit
Scrophularia auriculata
Water Figwort
Scrophularia nodosa
Common Figwort
Scrophularia umbrosa
Green Figwort
Scutellaria galericulata
Skullcap
Scutellaria minor
Lesser Skullcap
Sedum acre
Biting Stonecrop
Sedum album
White Stonecrop
Sedum anglicum
English Stonecrop
Sedum sexangulare
Tasteless Stonecrop
Sempervivum arachnoideum
Cobweb House-leek
Senecio cambrensis
Welsh Groundsel
Senecio inaequidens
Narrow-leaved Ragwort
Senecio sarracenicus
Broad-leaved Ragwort
Senecio squalidus
Oxford Ragwort
Senecio sylvaticus
Heath Groundsel
Senecio vernalis
Eastern Groundsel
Senecio viscosus
Sticky Groundsel
Senecio vulgaris
Groundsel
Senecio x ostenfeldii
Serratula tinctoria
Saw-wort
Seseli libanotis
Moon Carrot
Sherardia arvensis
Field Madder
Sibthorpia europaea
Cornish Moneywort