Salix cinerea
Grey Willow
Salix purpurea
Purple Willow
Salix viminalis
Osier
Samolus valerandi
Brookweed
Saxifraga aizoides
Yellow Saxifrage
Schoenus nigricans
Black Bog-rush
Scirpus sylvaticus
Wood Club-rush
Scrophularia auriculata
Water Figwort
Scutellaria galericulata
Skullcap
Scutellaria minor
Lesser Skullcap
Selaginella selaginoides
Lesser Clubmoss
Senecio sarracenicus
Broad-leaved Ragwort
Silene flos-cuculi
Ragged-Robin
Solanum dulcamara
Bittersweet
Sparganium erectum
Branched Bur-reed
Spiranthes romanzoffiana
Irish Lady's-tresses
Stachys palustris
Marsh Woundwort
Stellaria alsine
Bog Stitchwort
Stellaria aquatica
Water Chickweed
Stellaria palustris
Marsh Stitchwort
Symphytum officinale
Common Comfrey
Thalictrum flavum
Common Meadow-rue
Thelypteris palustris
Marsh Fern
Tofieldia pusilla
Scottish Asphodel
Triglochin palustris
Marsh Arrowgrass
Trocdaris verticillata
Whorled Caraway
Trollius europaeus
Globeflower
Typha angustifolia
Lesser Bulrush
Typha latifolia
Bulrush
Utricularia minor
Lesser Bladderwort
Utricularia vulgaris
Greater Bladderwort
Valeriana dioica
Marsh Valerian
Valeriana officinalis
Common Valerian
Veronica beccabunga
Brooklime
Veronica scutellata
Marsh Speedwell
Veronica serpyllifolia
Thyme-leaved Speedwell
Vicia cracca
Tufted Vetch
Viola palustris
Marsh Violet
Wahlenbergia hederacea
Ivy-leaved Bellflower