hordeum geniculatum, xanthium strumarium, inula britannica, rorippa austriaca, echinochloa crus-galli, elymus repens, lolium perenne, rorippa sylvestris, alopecurus geniculatus, alopecurus pratensis, amaranthus deflexus, amaranthus retroflexus, arctium lappa, bidens tripartita, bromus squarrosus, chenopodium album, cirsium arvense, erigeron canadensis, juncus compressus, lepidium ruderale, lycopus exaltatus, mentha aquatica, persicaria amphibia, persicaria lapathifolia, plantago lanceolata, plantago major, poa angustifolia, poa annua, polygonum aviculare, populus nigra, potentilla supina, puccinellia distans, ranunculus repens, rumex conglomeratus, rumex crispus, taraxacum minimum, trifolium repens, tripleurospermum inodorum