gb, bradford, cirsium arvense, ranunculus repens, urtica dioica, agrostis stolonifera, rumex crispus, trifolium repens, epilobium hirsutum, poa annua, holcus lanatus, persicaria maculosa, poa trivialis, galium aparine, stellaria media, typha latifolia, argentina anserina, plantago major, juncus inflexus, lolium perenne, plantago lanceolata, tripleurospermum inodorum, dactylis glomerata, phalaris arundinacea, polygonum aviculare, juncus effusus, matricaria discoidea, capsella bursa-pastoris, ranunculus sceleratus, elymus repens, phragmites australis, cirsium vulgare, rumex obtusifolius, heracleum sphondylium, sparganium erectum, alopecurus geniculatus, stachys palustris, lemna minor, trifolium pratense, rubus fruticosus, persicaria amphibia, rumex acetosa, eleocharis palustris, jacobaea vulgaris, chenopodium album, sonchus asper, gnaphalium uliginosum, arrhenatherum elatius, iris pseudacorus, alisma plantago-aquatica, calystegia sepium, sonchus arvensis