Ophioglossum azoricum
Small Adder's-tongue
Ophrys sphegodes
Early Spider-orchid
Orchis purpurea
Lady Orchid
Ornithogalum pyrenaicum
Spiked Star-of-Bethlehem
Orobanche rapum-genistae
Greater Broomrape
Papaver cambricum
Welsh Poppy
Persicaria mitis
Tasteless Water-pepper
Petrosedum forsterianum
Rock Stonecrop
Pilularia globulifera
Pillwort
Pinus sylvestris
Scots Pine
Polygonatum odoratum
Angular Solomon's-seal
Potamogeton coloratus
Fen Pondweed
Potentilla verna
Spring Cinquefoil
Primula elatior
Oxlip
Primula farinosa
Bird's-eye Primrose
Pulsatilla vulgaris
Pasqueflower
Pyrola rotundifolia
Round-leaved Wintergreen
Rhynchospora fusca
Brown Beak-sedge
Rorippa islandica
Northern Yellow-cress
Rumex rupestris
Shore Dock
Sabulina verna
Spring Sandwort
Salicornia fragilis
Yellow Glasswort
Salvia pratensis
Meadow Clary
Scilla autumnalis
Autumn Squill
Sibthorpia europaea
Cornish Moneywort
Silene conica
Sand Catchfly
Silene nutans
Nottingham Catchfly
Sorbus porrigentiformis
Grey-leaved Whitebeam
Sorbus rupicola
Rock Whitebeam
Spiranthes romanzoffiana
Irish Lady's-tresses
Tephroseris integrifolia
South Stack Fleawort
Thelypteris palustris
Marsh Fern
Thesium humifusum
Bastard-toadflax
Tilia platyphyllos
Large-leaved Lime
Trifolium ochroleucon
Sulphur Clover
Turritis glabra
Tower Mustard
Utricularia vulgaris
Greater Bladderwort
Verbascum lychnitis
White Mullein
Veronica spicata
Spiked Speedwell
Vicia lutea
Yellow-vetch
Vicia orobus
Wood Bitter-vetch
Viola lactea
Pale Dog-violet
Vulpia fasciculata
Dune Fescue