persicaria lapathifolia, poa pratensis, polygonum aviculare, echinochloa crus-galli, eragrostis pilosa, lepidium virginicum, matricaria chamomilla, amaranthus cruentus, artemisia annua, artemisia vulgaris, bidens frondosa, chenopodium album, cuscuta australis, daucus carota, digitaria sanguinalis, erigeron canadensis, helminthotheca echioides, herniaria hirsuta, lactuca serriola, lolium multiflorum, medicago lupulina, melilotus albus, panicum capillare, plantago lanceolata, setaria viridis, sorghum halepense, tanacetum vulgare, xanthium orientale