echinochloa crus-galli, phalaris arundinacea, alisma plantago-aquatica, althaea officinalis, anthoxanthum repens, atriplex prostrata, bidens tripartita, bolboschoenus maritimus, cirsium arvense, glycyrrhiza echinata, inula britannica, lythrum virgatum, oenanthe aquatica, persicaria hydropiper, persicaria minor, polygonum arenarium, rumex stenophyllus, sonchus arvensis, xanthium strumarium