Spermacoce remota
Spiranthes romanzoffiana
Irish Lady's-tresses
Spiranthes spiralis
Autumn Lady's-tresses
Stachys palustris
Marsh Woundwort
Staphylea pinnata
Bladdernut
Stellaria alsine
Bog Stitchwort
Stellaria aquatica
Water Chickweed
Stellaria graminea
Lesser Stitchwort
Stellaria holostea
Greater Stitchwort
Stellaria neglecta
Greater Chickweed
Stellaria palustris
Marsh Stitchwort
Strobilanthes reptans
Waffle Plant
Succisa pratensis
Devil's-bit Scabious
Symphyotrichum lanceolatum
Narrow-leaved Michaelmas-daisy
Symphytum officinale
Common Comfrey
Symphytum orientale
White Comfrey
Tabernaemontana divaricata
Carnation of India
Tanacetum parthenium
Feverfew
Teesdalia nudicaulis
Shepherd's Cress
Thalictrum aquilegiifolium
French Meadow-rue
Thesium humifusum
Bastard-toadflax
Torilis japonica
Upright Hedge-parsley
Torilis nodosa
Knotted Hedge-parsley
Tridax procumbens
Coatbuttons