helianthus annuus, sinapis arvensis, veronica persica, silene latifolia, stellaria media, thlaspi arvense, capsella bursa-pastoris, chenopodium album, elymus repens, euphorbia helioscopia, fumaria officinalis, lysimachia arvensis, papaver rhoeas, persicaria lapathifolia, sonchus asper, tripleurospermum inodorum, anthemis arvensis, euphorbia exigua, fallopia convolvulus, lamium amplexicaule, medicago sativa, rumex crispus