amaranthus retroflexus, amaranthus powellii, veronica persica, capsella bursa-pastoris, convolvulus arvensis, datura stramonium, galinsoga parviflora, poa annua, potentilla supina, chenopodiastrum hybridum, chenopodium ficifolium, cirsium arvense, oxybasis glauca, sinapis arvensis, sonchus oleraceus, avena fatua, galium spurium, lactuca serriola, mercurialis annua, persicaria maculosa, plantago major, portulaca oleracea, solanum nigrum