convolvulus arvensis, cynodon dactylon, amaranthus retroflexus, chenopodium album, heliotropium europaeum, hibiscus trionum, polygonum aviculare, portulaca oleracea, setaria verticillata, setaria viridis, chondrilla juncea, cirsium arvense, datura stramonium, lappula squarrosa, setaria pumila, sinapis arvensis, sonchus asper