Aconitum napellus
Monk's-hood
Aconitum x stoerkianum
Hybrid Monk's-hood
Alnus glutinosa
Alder
Baldellia ranunculoides
Lesser Water-plantain
Barbarea vulgaris
Winter-cress
Bidens cernua
Nodding Bur-marigold
Butomus umbellatus
Flowering-rush
Callitriche brutia
Pedunculate Water-starwort
Calystegia sepium
Hedge Bindweed
Carex demissa
Common Yellow-sedge
Carex echinata
Star Sedge
Carex lepidocarpa
Long-stalked Yellow-sedge
Carex pendula
Pendulous Sedge
Carex remota
Remote Sedge
Carex riparia
Greater Pond-sedge
Carex strigosa
Thin-spiked Wood-sedge
Catabrosa aquatica
Whorl-grass
Chrysosplenium alternifolium
Alternate-leaved Golden-saxifrage
Chrysosplenium oppositifolium
Opposite-leaved Golden-saxifrage
Cirsium palustre
Marsh Thistle
Crassula helmsii
New Zealand Pigmyweed
Cuscuta europaea
Greater Dodder
Drosera intermedia
Oblong-leaved Sundew
Eleocharis acicularis
Needle Spike-rush
Epilobium brunnescens
New Zealand Willowherb
Epilobium hirsutum
Great Willowherb
Epilobium palustre
Marsh Willowherb
Equisetum hyemale
Rough Horsetail
Erythranthe guttata
Monkeyflower
Erythranthe lutea
Blood-drop-emlets
Erythranthe x robertsii
Hybrid Monkeyflower
Gagea lutea
Yellow Star-of-Bethlehem
Glyceria declinata
Small Sweet-grass
Glyceria fluitans
Floating Sweet-grass
Helosciadium nodiflorum
Fool's-water-cress
Heracleum mantegazzianum
Giant Hogweed
Impatiens glandulifera
Indian Balsam
Isolepis setacea
Bristle Club-rush
Jacobaea aquatica
Marsh Ragwort
Juncus bufonius
Toad Rush
Juncus bulbosus
Bulbous Rush
Lemna minuta
Least Duckweed
Lupinus polyphyllus
Garden Lupin
Luronium natans
Floating Water-plantain
Lysichiton americanus
American Skunk-cabbage
Lysimachia nummularia
Creeping-Jenny
Myosotis scorpioides
Water Forget-me-not
Myriophyllum alterniflorum
Alternate Water-milfoil
Myriophyllum spicatum
Spiked Water-milfoil
Nasturtium officinale
Water-cress
Nuphar lutea
Yellow Water-lily
Nymphoides peltata
Fringed Water-lily
Oenanthe crocata
Hemlock Water-dropwort
Pedicularis sylvatica
Lousewort
Persicaria hydropiper
Water-pepper
Persicaria minor
Small Water-pepper
Persicaria mitis
Tasteless Water-pepper
Petasites hybridus
Butterbur
Phalaris arundinacea
Reed Canary-grass
Populus nigra
Black-poplar
Potamogeton crispus
Curled Pondweed
Potamogeton lucens
Shining Pondweed
Potamogeton natans
Broad-leaved Pondweed
Ranunculus aquatilis
Common Water-crowfoot
Ranunculus fluitans
River Water-crowfoot
Ranunculus peltatus
Pond Water-crowfoot
Ranunculus sceleratus
Celery-leaved Buttercup
Reynoutria japonica
Japanese Knotweed
Ribes nigrum
Black Currant
Rorippa sylvestris
Creeping Yellow-cress