Geranium pratense
Meadow Crane's-bill
Geranium x oxonianum
Druce's Crane's-bill
Glaucium flavum
Yellow Horned-poppy
Helianthemum nummularium
Common Rock-rose
Helleborus viridis
Green Hellebore
Hieracium sect. Sabauda
Hawkweed (Sabauda)
Hyacinthoides non-scripta
Bluebell
Hydrocotyle vulgaris
Marsh Pennywort
Hypericum
Hypericum perforatum
Perforate St John's-wort
Hypericum x caesariense
Iberis amara
Wild Candytuft
Isatis tinctoria
Woad
Jasione montana
Sheep's-bit
Juncus articulatus
Jointed Rush
Juncus bufonius
Toad Rush
Juncus compressus
Round-fruited Rush
Juncus gerardii
Saltmarsh Rush
Juncus squarrosus
Heath Rush
Lathraea squamaria
Toothwort
Lepidium draba
Hoary Cress
Lepidium heterophyllum
Smith's Pepperwort
Leycesteria formosa
Himalayan Honeysuckle
Limosella aquatica
Mudwort