gb, flintshire and wrexham, lemna minor, nuphar lutea, elodea canadensis, sparganium erectum, iris pseudacorus, epilobium hirsutum, stachys palustris, lythrum salicaria, lycopus europaeus, typha latifolia, glyceria maxima, solanum dulcamara, nymphaea alba, phragmites australis, spirodela polyrhiza, sagittaria sagittifolia, elodea nuttallii, phalaris arundinacea, ceratophyllum demersum, lemna trisulca, hydrocharis morsus-ranae, butomus umbellatus, persicaria amphibia, equisetum fluviatile, alisma plantago-aquatica, rumex hydrolapathum, myosotis scorpioides, mentha aquatica, urtica dioica, stuckenia pectinata, galium palustre, potamogeton natans, potamogeton crispus, nymphoides peltata, filipendula ulmaria, myriophyllum spicatum, calystegia sepium, eleocharis palustris, schoenoplectus lacustris, helosciadium nodiflorum, impatiens capensis, rorippa amphibia, typha angustifolia, scutellaria galericulata, ranunculus repens, agrostis stolonifera, acorus calamus, nasturtium officinale, ranunculus sceleratus, sparganium emersum