Sanicula europaea
Sanicle
Saponaria officinalis
Soapwort
Satureja montana
Winter Savory
Saxifraga
Saxifrage
Saxifraga aizoides
Yellow Saxifrage
Saxifraga cespitosa
Tufted Saxifrage
Saxifraga granulata
Meadow Saxifrage
Saxifraga hypnoides
Mossy Saxifrage
Saxifraga oppositifolia
Purple Saxifrage
Saxifraga paniculata
Livelong Saxifrage
Saxifraga rosacea
Irish Saxifrage
Saxifraga rotundifolia
Round-leaved Saxifrage
Saxifraga spathularis
St Patrick's-cabbage
Saxifraga tridactylites
Rue-leaved Saxifrage
Saxifraga umbrosa
Pyrenean Saxifrage
Scabiosa columbaria
Small Scabious
Schizostylis coccinea
Kaffir Lily
Schlumbergera bridgesii
Christmas cactus
Schoenoplectus tabernaemontani
Grey Club-rush
Scilla autumnalis
Autumn Squill
Scilla bifolia
Alpine Squill
Scilla forbesii
Glory-of-the-snow
Scilla luciliae
Boissier's Glory-of-the-snow
Scilla peruviana
Portuguese Squill