cynodon dactylon, hordeum murinum, lolium perenne, plantago major, medicago lupulina, polygonum aviculare, amaranthus blitoides, amaranthus deflexus, amaranthus retroflexus, atriplex tatarica, capsella bursa-pastoris, chenopodium album, datura stramonium, eleusine indica, erigeron canadensis, malva sylvestris, matricaria chamomilla, solanum nigrum, sorghum halepense, trifolium repens