peganum harmala, marrubium peregrinum, lepidium draba, medicago lupulina, rostraria cristata, scolymus hispanicus, xanthium spinosum, achillea millefolium, centaurea solstitialis, chenopodium album, chenopodium ficifolium, convolvulus arvensis, cynodon dactylon, erigeron canadensis, eryngium campestre, malva sylvestris, matricaria chamomilla, melilotus officinalis, papaver rhoeas, portulaca oleracea, rumex pulcher