solanum nigrum, artemisia vulgaris, chenopodium album, plantago major, silene latifolia, stachys palustris, veronica arvensis, amaranthus retroflexus, fallopia convolvulus, centaurea cyanus, convolvulus arvensis, echinochloa crus-galli, elymus repens, erodium cicutarium, galinsoga parviflora, setaria pumila, sonchus asper, viola arvensis, viola tricolor