rorippa amphibia, bidens frondosa, cyperus fuscus, phalaris arundinacea, artemisia vulgaris, atriplex calotheca, bidens radiata, echinochloa crus-galli, oenanthe aquatica, persicaria hydropiper, persicaria maculosa, plantago major, poa annua, rumex maritimus, stellaria aquatica, tripleurospermum inodorum