datura stramonium, chenopodium suecicum, cirsium arvense, echinochloa crus-galli, elymus repens, medicago sativa, amaranthus retroflexus, brassica napus, chenopodiastrum hybridum, euphorbia helioscopia, fumaria officinalis, persicaria lapathifolia, solanum nigrum, sonchus arvensis, thlaspi arvense, veronica persica, veronica polita, capsella bursa-pastoris