glyceria fluitans, ranunculus sardous, rumex conglomeratus, bidens tripartita, lolium multiflorum, ranunculus sceleratus, urtica dioica, alopecurus aequalis, cynosurus cristatus, mentha pulegium, persicaria mitis, plantago major, poa annua, poa trivialis, polygonum aviculare, trifolium repens, trifolium resupinatum