alopecurus aequalis, glyceria fluitans, juncus bufonius, poa trivialis, ranunculus sardous, persicaria lapathifolia, plantago major, ranunculus sceleratus, trifolium campestre, jacobaea erratica, lolium perenne, lythrum portula, myosotis laxa, poa annua, polygonum aviculare, trifolium patens, trifolium repens, veronica anagallis-aquatica