malva pusilla, amaranthus retroflexus, datura stramonium, lepidium ruderale, matricaria chamomilla, verbena officinalis, xanthium spinosum, amaranthus blitum, chenopodium album, cichorium intybus, convolvulus arvensis, descurainia sophia, papaver rhoeas, persicaria hydropiper, polygonum aviculare, portulaca oleracea, rumex pulcher, solanum nigrum, urtica urens