chenopodium album, xanthium orientale, convolvulus arvensis, agrostis stolonifera, artemisia verlotiorum, elymus repens, persicaria lapathifolia, solanum dulcamara, artemisia vulgaris, barbarea vulgaris, eragrostis pectinacea, erigeron annuus, helianthus tuberosus, humulus scandens, lepidium virginicum, panicum dichotomiflorum, papaver rhoeas, poa palustris, polygonum aviculare, rorippa sylvestris