artemisia absinthium, chenopodium album, amaranthus retroflexus, chaenorhinum minus, convolvulus arvensis, ajuga chamaepitys, capsella bursa-pastoris, chenopodiastrum hybridum, cynodon dactylon, erigeron canadensis, erodium cicutarium, lactuca serriola, medicago lupulina, papaver lecoqii, senecio vulgaris, sonchus oleraceus, solanum nigrum