Scutellaria minor
Lesser Skullcap
Sedum anglicum
English Stonecrop
Sempervivum arachnoideum
Cobweb House-leek
Serratula tinctoria
Saw-wort
Sherardia arvensis
Field Madder
Sibthorpia europaea
Cornish Moneywort
Silene acaulis
Moss Campion
Silene armeria
Sweet-William Catchfly
Silene conica
Sand Catchfly
Silene dioica
Red Campion
Silene flos-cuculi
Ragged-Robin
Silene gallica
Small-flowered Catchfly
Silene noctiflora
Night-flowering Catchfly
Silene viscaria
Sticky Catchfly
Soldanella alpina
Alpine Snowbell
Spergularia rubra
Sand Spurrey
Spergularia rupicola
Rock Sea-spurrey
Spiraea x rosalba
Intermediate Bridewort
Stachys alpina
Limestone Woundwort
Stachys arvensis
Field Woundwort
Stachys germanica
Downy Woundwort
Stachys palustris
Marsh Woundwort
Succisa pratensis
Devil's-bit Scabious
Symphytum x uplandicum
Russian Comfrey