beta vulgaris, amaranthus powellii, amaranthus retroflexus, chenopodium album, convolvulus arvensis, equisetum arvense, lysimachia arvensis, lysimachia foemina, papaver rhoeas, solanum nigrum, thlaspi arvense, tripleurospermum inodorum, veronica polita, viola arvensis, atriplex patula, chenopodiastrum hybridum, persicaria maculosa, plantago major, stachys annua