Sabulina verna
Spring Sandwort
Sagina nodosa
Knotted Pearlwort
Sagittaria sagittifolia
Arrowhead
Salicornia fragilis
Yellow Glasswort
Salix aurita
Eared Willow
Salix herbacea
Dwarf Willow
Salix pentandra
Bay Willow
Salix repens
Creeping Willow
Salix x fragilis
Crack-willow
Salix x meyeriana
Shiny-leaved Willow
Salsola kali
Prickly Saltwort
Salvia microphylla
Blackcurrant Sage
Salvia pratensis
Meadow Clary
Salvia verbenaca
Wild Clary
Sambucus ebulus
Dwarf Elder
Sanguisorba officinalis
Great Burnet
Sanicula europaea
Sanicle
Saxifraga aizoides
Yellow Saxifrage
Saxifraga cespitosa
Tufted Saxifrage
Saxifraga granulata
Meadow Saxifrage
Saxifraga hirsuta
Kidney Saxifrage
Saxifraga hypnoides
Mossy Saxifrage
Saxifraga oppositifolia
Purple Saxifrage
Saxifraga rosacea
Irish Saxifrage