persicaria lapathifolia, echinochloa crus-galli, persicaria maculosa, rumex obtusifolius, urtica dioica, agrostis stolonifera, amaranthus powellii, calystegia sepium, chenopodium album, eupatorium cannabinum, lactuca serriola, lythrum salicaria, persicaria hydropiper, polygonum aviculare, sonchus oleraceus, veronica anagallis-aquatica, vicia cracca, xanthium strumarium