Photographs © Leif Bersweden unless stated otherwise
Alder
Alnus glutinosa
© Gus Routledge
Blunt-leaved Pondweed
Potamogeton obtusifolius
Common Duckweed
Lemna minor
Crested Buckler-fern
Dryopteris cristata
Downy Birch
Betula pubescens
Fen Orchid
Liparis loeselii
Frogbit
Hydrocharis morsus-ranae
Greater Bladderwort
Utricularia vulgaris
Greater Water-parsnip
Sium latifolium
Ivy-leaved Duckweed
Lemna trisulca
Milk-parsley
Peucedanum palustre
Purple-loosestrife
Lythrum salicaria
Rigid Hornwort
Ceratophyllum demersum
© Ben Goldsmith
Slender Sedge
Carex lasiocarpa
© Alex Prendergast
Water-soldier
Stratiotes aloides
White Water-lily
Nymphaea alba
© Gus Routledge
Whorled Water-milfoil
Myriophyllum verticillatum
Yellow Water-lily
Nuphar lutea