convolvulus arvensis, echinochloa crus-galli, persicaria lapathifolia, ambrosia artemisiifolia, chenopodium album, equisetum arvense, galinsoga parviflora, mentha arvensis, sonchus arvensis, lipandra polysperma, setaria pumila, stachys palustris, amaranthus retroflexus, cirsium arvense, gnaphalium uliginosum, lysimachia arvensis, plantago major, portulaca oleracea