echinochloa crus-galli, chenopodium album, convolvulus arvensis, digitaria ciliaris, equisetum arvense, setaria pumila, setaria verticillata, amaranthus retroflexus, aristolochia rotunda, cynodon dactylon, euphorbia helioscopia, persicaria maculosa, sinapis arvensis, solanum nigrum, sonchus arvensis, stachys palustris, xanthium strumarium