amaranthus deflexus, hordeum murinum, solanum nigrum, bromus catharticus, capsella bursa-pastoris, lepidium didymum, malva sylvestris, poa annua, polygonum aviculare, trifolium repens, carex divulsa, chenopodium album, erigeron floribundus, lolium perenne, plantago major, sonchus oleraceus