echinochloa crus-galli, equisetum palustre, lipandra polysperma, persicaria mitis, setaria pumila, veronica persica, capsella bursa-pastoris, fallopia convolvulus, oxalis stricta, plantago major, calystegia sepium, carex hirta, galium aparine, lythrum salicaria, ranunculus repens, rorippa palustris, trifolium repens, trifolium hybridum