gb, north yorkshire cc, urtica dioica, cirsium arvense, ranunculus repens, epilobium hirsutum, solanum dulcamara, sparganium erectum, rumex crispus, potentilla reptans, agrostis stolonifera, lythrum salicaria, alisma plantago-aquatica, iris pseudacorus, phalaris arundinacea, persicaria amphibia, stachys palustris, argentina anserina, lycopus europaeus, typha latifolia, lemna minor, trifolium repens, poa trivialis, butomus umbellatus, glyceria maxima, phragmites australis, plantago major, nuphar lutea, nasturtium officinale, galium aparine, eleocharis palustris, calystegia sepium, persicaria maculosa, mentha aquatica, impatiens capensis, juncus inflexus, dipsacus fullonum, pulicaria dysenterica, convolvulus arvensis, ranunculus sceleratus, plantago lanceolata, persicaria lapathifolia, poa annua, myosotis scorpioides, rorippa amphibia, gnaphalium uliginosum, tripleurospermum inodorum, galium palustre, rumex obtusifolius, veronica beccabunga, sonchus asper, potamogeton natans