alopecurus aequalis, rumex conglomeratus, cynosurus cristatus, juncus bufonius, mentha pulegium, plantago major, poa trivialis, polygonum aviculare, ranunculus sardous, bidens tripartita, glyceria fluitans, lolium perenne, poa annua, ranunculus repens, ranunculus sceleratus, trifolium patens, trifolium repens, veronica anagallis-aquatica