text: chenopodium album, bassia scoparia, symphyotrichum salignum, achillea millefolium, ambrosia artemisiifolia, artemisia annua, ballota nigra, calamagrostis epigejos, convolvulus arvensis, lolium perenne, malva sylvestris, sorghum halepense, symphyotrichum tradescantii, trifolium repens, tripleurospermum inodorum, acer negundo, arctium lappa, chaiturus marrubiastrum, cirsium arvense, dactylis glomerata, digitaria sanguinalis, erigeron annuus, erigeron canadensis, lactuca serriola, medicago sativa, plantago lanceolata, silene latifolia