beta vulgaris, chenopodium album, plantago major, rumex crispus, cirsium arvense, convolvulus arvensis, daucus carota, echinochloa crus-galli, helminthotheca echioides, lotus corniculatus, matricaria chamomilla, medicago sativa, persicaria lapathifolia, phragmites australis, plantago lanceolata, setaria viridis, solanum nigrum, symphyotrichum squamatum, poa annua, rumex obtusifolius, trifolium repens