Salix x fragilis
Crack-willow
Salix x meyeriana
Shiny-leaved Willow
Salpichroa origanifolia
Cock's-eggs
Salsola kali
Prickly Saltwort
Salvia pratensis
Meadow Clary
Salvia verbenaca
Wild Clary
Sambucus ebulus
Dwarf Elder
Sambucus nigra
Elder
Samolus valerandi
Brookweed
Sanguisorba officinalis
Great Burnet
Sanicula europaea
Sanicle
Saponaria officinalis
Soapwort
Sarcoscypha austriaca
Scarlet Cup
Saturnia pavonia
Emperor Moth
Saxifraga aizoides
Yellow Saxifrage
Saxifraga granulata
Meadow Saxifrage
Saxifraga hirsuta
Kidney Saxifrage
Saxifraga hypnoides
Mossy Saxifrage
Saxifraga oppositifolia
Purple Saxifrage
Saxifraga rosacea
Irish Saxifrage
Saxifraga spathularis
St Patrick's-cabbage
Saxifraga tridactylites
Rue-leaved Saxifrage
Saxifraga x polita
False Londonpride
Scabiosa columbaria
Small Scabious