Salix alba
White Willow
Salix viminalis
Osier
Salix x fragilis
Crack-willow
Sambucus ebulus
Dwarf Elder
Saponaria officinalis
Soapwort
Sedum album
White Stonecrop
Silene gallica
Small-flowered Catchfly
Silene latifolia
White Campion
Silene noctiflora
Night-flowering Catchfly
Silybum marianum
Milk Thistle
Sinapis alba
White Mustard
Sinapis arvensis
Charlock
Sisymbrium officinale
Hedge Mustard
Smyrnium olusatrum
Alexanders
Solanum nigrum
Black Nightshade
Stachys arvensis
Field Woundwort
Tanacetum parthenium
Feverfew
Thlaspi arvense
Field Penny-cress
Tripleurospermum inodorum
Scentless Mayweed
Urtica urens
Small Nettle
Valerianella carinata
Keeled-fruited Cornsalad
Verbena officinalis
Vervain
Veronica hederifolia
Ivy-leaved Speedwell
Vinca minor
Lesser Periwinkle