cirsium arvense, convolvulus arvensis, digitaria sanguinalis, lepidium draba, persicaria lapathifolia, amaranthus retroflexus, bromus sterilis, echinochloa crus-galli, elymus repens, fallopia convolvulus, galinsoga parviflora, hibiscus trionum, polygonum aviculare, raphanus raphanistrum, setaria pumila, symphytum officinale