Spartina anglica
Common Cord-grass
Spergularia marina
Lesser Sea-spurrey
Spergularia media
Greater Sea-spurrey
Spergularia rupicola
Rock Sea-spurrey
Spiraea canescens
Himalayan Spiraea
Spiranthes spiralis
Autumn Lady's-tresses
Stachys palustris
Marsh Woundwort
Stachys sylvatica
Hedge Woundwort
Stellaria holostea
Greater Stitchwort
Stellaria neglecta
Greater Chickweed
Stellaria palustris
Marsh Stitchwort
Stropharia semiglobata
Dung Roundhead
Suaeda maritima
Annual Sea-blite
Succisa pratensis
Devil's-bit Scabious
Symphoricarpos albus
Snowberry
Symphytum x uplandicum
Russian Comfrey
Tamarix gallica
Tamarisk
Tamus communis
Black Bryony
Taraxacum agg.
Dandelion
Taxus baccata
Yew
Teucrium chamaedrys
Wall Germander
Teucrium scorodonia
Wood Sage
Thalictrum flavum
Common Meadow-rue
Thymus drucei
Wild Thyme