Rhinanthus minor
Yellow-rattle
Rorippa islandica
Northern Yellow-cress
Rorippa palustris
Marsh Yellow-cress
Rumex maritimus
Golden Dock
Sagina apetala
Annual Pearlwort
Salicornia dolichostachya
Long-spiked Glasswort
Salicornia emerici
Shiny Glasswort
Salicornia europaea
Common Glasswort
Salicornia fragilis
Yellow Glasswort
Salicornia ramosissima
Purple Glasswort
Salsola kali
Prickly Saltwort
Saxifraga tridactylites
Rue-leaved Saxifrage
Scleranthus annuus
Annual Knawel
Secale cereale
Rye
Senecio cambrensis
Welsh Groundsel
Senecio squalidus
Oxford Ragwort
Senecio sylvaticus
Heath Groundsel
Senecio viscosus
Sticky Groundsel
Senecio vulgaris
Groundsel
Setaria viridis
Green Bristle-grass
Sherardia arvensis
Field Madder
Silene conica
Sand Catchfly
Silene gallica
Small-flowered Catchfly
Silene noctiflora
Night-flowering Catchfly
Sinapis alba
White Mustard
Sinapis arvensis
Charlock
Sisymbrium officinale
Hedge Mustard
Solanum nigrum
Black Nightshade
Sonchus asper
Prickly Sow-thistle
Sonchus oleraceus
Smooth Sow-thistle
Spergula arvensis
Corn Spurrey
Spergularia marina
Lesser Sea-spurrey
Spergularia rubra
Sand Spurrey
Stachys arvensis
Field Woundwort
Stellaria media
Common Chickweed
Stellaria neglecta
Greater Chickweed
Suaeda maritima
Annual Sea-blite
Teesdalia nudicaulis
Shepherd's Cress
Thlaspi arvense
Field Penny-cress
Torilis japonica
Upright Hedge-parsley
Torilis nodosa
Knotted Hedge-parsley
Trifolium arvense
Hare's-foot Clover
Trifolium campestre
Hop Trefoil
Trifolium dubium
Lesser Trefoil
Trifolium micranthum
Slender Trefoil
Trifolium scabrum
Rough Clover
Tripleurospermum inodorum
Scentless Mayweed
Tuberaria guttata
Spotted Rock-rose
Urtica urens
Small Nettle
Valerianella carinata
Keeled-fruited Cornsalad
Valerianella eriocarpa
Hairy-fruited Cornsalad
Valerianella locusta
Common Cornsalad
Veronica anagallis-aquatica
Blue Water-Speedwell
Veronica arvensis
Wall Speedwell
Veronica catenata
Pink Water-Speedwell
Veronica hederifolia
Ivy-leaved Speedwell
Veronica persica
Common Field-speedwell
Veronica polita
Grey Field-speedwell
Vicia lutea
Yellow-vetch
Vicia sativa
Narrow-leaved Vetch
Vicia villosa
Fodder Vetch
Viola arvensis
Field Pansy
Viola tricolor
Wild Pansy
Vulpia fasciculata
Dune Fescue