Rumex cristatus
Greek Dock
Rumex scutatus
French Sorrel
Salix x meyeriana
Shiny-leaved Willow
Salpichroa origanifolia
Cock's-eggs
Satureja montana
Winter Savory
Saxifraga paniculata
Livelong Saxifrage
Saxifraga rotundifolia
Round-leaved Saxifrage
Saxifraga umbrosa
Pyrenean Saxifrage
Saxifraga x polita
False Londonpride
Scilla bifolia
Alpine Squill
Scilla liliohyacinthus
Pyrenean Squill
Scilla peruviana
Portuguese Squill
Scilla siberica
Siberian Squill
Sedum sexangulare
Tasteless Stonecrop
Sempervivum arachnoideum
Cobweb House-leek
Senecio inaequidens
Narrow-leaved Ragwort
Senecio sarracenicus
Broad-leaved Ragwort
Senecio squalidus
Oxford Ragwort
Senecio vernalis
Eastern Groundsel
Senecio viscosus
Sticky Groundsel
Sequoia sempervirens
Coastal Redwood
Sequoiadendron giganteum
Wellingtonia
Setaria viridis
Green Bristle-grass
Silene armeria
Sweet-William Catchfly
Silene chalcedonica
Maltese-Cross
Sisyrinchium montanum
American Blue-eyed-grass
Smyrnium perfoliatum
Perfoliate Alexanders
Solanum chenopodioides
Tall Nightshade
Solanum nitidibaccatum
Green Nightshade
Soleirolia soleirolii
Mind-your-own-business
Solidago canadensis
Canadian Goldenrod
Solidago gigantea
Early Goldenrod
Sorbus aria
Common Whitebeam
Spiraea canescens
Himalayan Spiraea
Spiraea x rosalba
Intermediate Bridewort
Stachys alpina
Limestone Woundwort
Stachys byzantina
Lamb's-ear
Staphylea pinnata
Bladdernut
Sternbergia lutea
Winter Daffodil
Symphoricarpos albus
Snowberry
Symphytum asperum
Rough Comfrey
Symphytum orientale
White Comfrey
Symphytum x uplandicum
Russian Comfrey
Tamarix gallica
Tamarisk
Tellima grandiflora
Fringecups
Teucrium chamaedrys
Wall Germander
Thalictrum aquilegiifolium
French Meadow-rue
Thuja plicata
Western Red-cedar
Tragopogon porrifolius
Salsify
Trifolium aureum
Large Trefoil
Trifolium hybridum
Alsike Clover
Tristagma uniflorum
Spring Starflower
Tropaeolum speciosum
Flame Nasturtium
Tulipa sylvestris
Wild Tulip
Valeriana pyrenaica
Pyrenean Valerian
Valerianella eriocarpa
Hairy-fruited Cornsalad
Verbascum virgatum
Twiggy Mullein
Veronica austriaca
Large Speedwell
Veronica filiformis
Slender Speedwell
Veronica peregrina
American Speedwell
Veronica persica
Common Field-speedwell
Veronica polita
Grey Field-speedwell
Viburnum tinus
Laurustinus
Vicia villosa
Fodder Vetch
Vinca difformis
Intermediate Periwinkle
Vinca major
Greater Periwinkle
Viola cornuta
Horned Pansy
Viola x wittrockiana
Garden Pansy
Zantedeschia aethiopica
Altar-lily