cirsium arvense, elymus repens, oxalis stricta, persicaria maculosa, ambrosia artemisiifolia, atriplex patula, chenopodium album, convolvulus arvensis, erigeron canadensis, tripleurospermum inodorum, centaurium pulchellum, delphinium consolida, epilobium tetragonum, erigeron annuus, fallopia convolvulus, lactuca serriola, lipandra polysperma, lysimachia arvensis, myosotis arvensis, plantago major, polygonum aviculare, setaria pumila, solidago gigantea, sonchus arvensis, viola arvensis, triticum aestivum