solanum tuberosum, digitaria ischaemum, equisetum arvense, scleranthus annuus, setaria pumila, setaria viridis, arnoseris minima, chenopodium album, elymus repens, erigeron canadensis, galeopsis bifida, persicaria lapathifolia, raphanus raphanistrum, rumex acetosella, spergula arvensis, spergularia rubra, viola arvensis, achillea millefolium, echinochloa crus-galli, geranium pusillum