poa trivialis, agrostis stolonifera, phalaris arundinacea, dactylis glomerata, phragmites australis, rumex hydrolapathum, alisma plantago-aquatica, cirsium arvense, epilobium hirsutum, galium aparine, glyceria maxima, ranunculus sceleratus, triglochin palustris, rumex crispus, sonchus oleraceus