gb, south and west derbyshire, lemna minor, sparganium erectum, elodea canadensis, nuphar lutea, typha latifolia, epilobium hirsutum, iris pseudacorus, urtica dioica, lythrum salicaria, mentha aquatica, potamogeton natans, eleocharis palustris, lycopus europaeus, phalaris arundinacea, veronica beccabunga, stachys palustris, alisma plantago-aquatica, ranunculus repens, solanum dulcamara, agrostis stolonifera, gnaphalium uliginosum, galium palustre, myosotis scorpioides, nasturtium officinale, nymphaea alba, persicaria maculosa, cirsium arvense, equisetum fluviatile, filipendula ulmaria, persicaria amphibia, callitriche stagnalis, persicaria hydropiper, ranunculus flammula, oenanthe crocata, juncus effusus, hippuris vulgaris, caltha palustris, poa annua, butomus umbellatus, sagittaria sagittifolia, schoenoplectus lacustris, impatiens glandulifera, matricaria discoidea, potamogeton crispus, centaurea nigra, galium aparine, petasites hybridus, scutellaria galericulata, geranium pratense, ranunculus sceleratus