rumex obtusifolius, polygonum aviculare, cirsium arvense, digitaria sanguinalis, echinochloa crus-galli, setaria pumila, amaranthus retroflexus, chenopodium album, convolvulus arvensis, lactuca serriola, portulaca oleracea, alopecurus myosuroides, anchusa officinalis, anthemis arvensis, cynodon dactylon, erigeron canadensis, galium aparine, lactuca quercina, matricaria chamomilla, senecio vernalis, senecio vulgaris, solanum nigrum, sonchus asper, teucrium scordium, verbena officinalis