zea mays, bothriochloa ischaemum, cynodon dactylon, digitaria sanguinalis, setaria viridis, amaranthus hybridus, chenopodium album, convolvulus arvensis, euphorbia chamaesyce, galeopsis tetrahit, heliotropium europaeum, lolium temulentum, polygonum bellardii, setaria pumila, solanum nigrum, veronica cymbalaria, equisetum ramosissimum, erigeron annuus