sclerochloa dura, polygonum aviculare, hordeum murinum, poa bulbosa, centaurea calcitrapa, convolvulus arvensis, cynodon dactylon, lepidium coronopus, lepidium draba, lolium perenne, malva pusilla, matricaria chamomilla, poa annua, rostraria cristata, rumex pulcher, xanthium spinosum