amaranthus retroflexus, digitaria ischaemum, convolvulus arvensis, setaria viridis, amaranthus powellii, chenopodium album, echinochloa crus-galli, mercurialis annua, panicum miliaceum, setaria verticillata, atriplex patula, cirsium arvense, elymus repens, galium spurium, lathyrus tuberosus, reseda lutea, sherardia arvensis, sinapis arvensis, stachys palustris