erigeron canadensis, polygonum aviculare, lactuca serriola, achillea millefolium, dactylis glomerata, erigeron annuus, malva neglecta, plantago major, amaranthus retroflexus, artemisia vulgaris, bromus sterilis, cirsium arvense, geranium pusillum, hordeum murinum, lolium perenne, pastinaca sativa, plantago lanceolata