Solanum dulcamara
Bittersweet
Solanum erianthum
Velvet Nightshade
Solanum nigrum
Black Nightshade
Solanum nitidibaccatum
Green Nightshade
Solidago virgaurea
Goldenrod
Sonchus arvensis
Perennial Sow-thistle
Sorbus aria
Common Whitebeam
Sorbus aucuparia
Rowan
Sorbus cambrensis
Welsh Whitebeam
Sorbus leptophylla
Thin-leaved Whitebeam
Sorbus minima
Least Whitebeam
Sorbus stenophylla
Llanthony Whitebeam
Sparganium erectum
Branched Bur-reed
Sparganium natans
Least Bur-reed
Stachys palustris
Marsh Woundwort
Staphylea pinnata
Bladdernut
Stuckenia pectinata
Fennel Pondweed
Succisa pratensis
Devil's-bit Scabious
Syzygium samarangense
Wax Apple
Talinum paniculatum
Fameflower
Tamus communis
Black Bryony
Taraxacum falcatum
Dandelion
Taraxacum 'iscanum'
Taxus baccata
Yew