centaurea cyanus, chenopodium album, anthemis arvensis, fallopia convolvulus, lysimachia arvensis, capsella bursa-pastoris, galeopsis tetrahit, persicaria maculosa, trifolium repens, tripleurospermum inodorum, viola arvensis, galeopsis pubescens, polygonum aviculare, prunella vulgaris, trifolium arvense