gb, south nottinghamshire, lycopus europaeus, solanum dulcamara, urtica dioica, lythrum salicaria, phalaris arundinacea, calystegia sepium, epilobium hirsutum, phragmites australis, stachys palustris, iris pseudacorus, symphytum officinale, rorippa amphibia, glyceria maxima, cirsium arvense, lemna minor, ranunculus repens, bidens frondosa, myosotis scorpioides, lysimachia vulgaris, persicaria hydropiper, rumex hydrolapathum, galium palustre, persicaria amphibia, typha latifolia, galium aparine, poa trivialis, salix alba, agrostis stolonifera, nuphar lutea, thalictrum flavum, alisma plantago-aquatica, sparganium erectum, impatiens capensis, butomus umbellatus, impatiens glandulifera, carex riparia, typha angustifolia, filipendula ulmaria, angelica archangelica, rumex obtusifolius, althaea officinalis, scutellaria galericulata, eupatorium cannabinum, salix viminalis, ranunculus sceleratus, rumex crispus, acorus calamus, schoenoplectus lacustris, spirodela polyrhiza, argentina anserina