Saponaria officinalis
Soapwort
Satureja montana
Winter Savory
Saxifraga cespitosa
Tufted Saxifrage
Saxifraga granulata
Meadow Saxifrage
Saxifraga hypnoides
Mossy Saxifrage
Saxifraga rosacea
Irish Saxifrage
Saxifraga spathularis
St Patrick's-cabbage
Saxifraga tridactylites
Rue-leaved Saxifrage
Saxifraga umbrosa
Pyrenean Saxifrage
Schaueria calytricha
Golden Plume
Scutellaria minor
Lesser Skullcap
Sedum album
White Stonecrop
Sedum anglicum
English Stonecrop
Seseli libanotis
Moon Carrot
Sherardia arvensis
Field Madder
Silene gallica
Small-flowered Catchfly
Silene latifolia
White Campion
Silene noctiflora
Night-flowering Catchfly
Silene nutans
Nottingham Catchfly
Silene rupestris
Rock Campion
Silene uniflora
Sea Campion
Silene vulgaris
Bladder Campion
Simethis mattiazzii
Kerry Lily
Sison amomum
Stone Parsley