alopecurus aequalis, juncus minutulus, veronica anagallis-aquatica, leersia oryzoides, persicaria hydropiper, persicaria mitis, agrostis stolonifera, alisma plantago-aquatica, bidens frondosa, juncus articulatus, lythrum portula, plantago major, poa trivialis, trifolium hybridum, typha latifolia, veronica beccabunga, polygonum aviculare