echinochloa crus-galli, lythrum salicaria, persicaria maculosa, epilobium obscurum, epilobium tetragonum, juncus inflexus, persicaria hydropiper, plantago major, polygonum aviculare, ranunculus repens, ranunculus sceleratus, symphytum officinale, veronica anagallis-aquatica, veronica beccabunga, veronica peregrina