Rosa arvensis
Field-rose
Rosa caesia
Hairy Dog-rose
Rosa rubiginosa
Sweet-briar
Rosa sherardii
Sherard's Downy-rose
Rubia peregrina
Wild Madder
Rubus ariconiensis
Rubus tuberculatus
Salvia pratensis
Meadow Clary
Saxifraga granulata
Meadow Saxifrage
Saxifraga oppositifolia
Purple Saxifrage
Saxifraga tridactylites
Rue-leaved Saxifrage
Scabiosa columbaria
Small Scabious
Schoenoplectus tabernaemontani
Grey Club-rush
Scirpus sylvaticus
Wood Club-rush
Sedum anglicum
English Stonecrop
Senecio sylvaticus
Heath Groundsel
Serratula tinctoria
Saw-wort
Sibthorpia europaea
Cornish Moneywort
Silene dioica
Red Campion
Silene nutans
Nottingham Catchfly
Silene viscaria
Sticky Catchfly
Sinapis arvensis
Charlock
Sisymbrium officinale
Hedge Mustard
Smyrnium perfoliatum
Perfoliate Alexanders