zea mays, digitaria sanguinalis, portulaca oleracea, equisetum arvense, setaria pumila, amaranthus blitum, amaranthus hybridus, amaranthus retroflexus, capsella bursa-pastoris, chenopodium album, convolvulus arvensis, persicaria maculosa, plantago major, polygonum bellardii, setaria viridis, solanum nigrum, sonchus oleraceus, arenaria leptoclados, oxalis corniculata