cynodon dactylon, sorghum halepense, chenopodium album, sonchus asper, cirsium arvense, convolvulus arvensis, echinochloa crus-galli, setaria pumila, alopecurus utriculatus, amaranthus retroflexus, capsella bursa-pastoris, clematis vitalba, erigeron canadensis, herniaria hirsuta, medicago carstiensis, portulaca oleracea, senecio vulgaris, trifolium campestre