sisymbrium altissimum, hypericum perforatum, lolium perenne, sisymbrium loeselii, tripleurospermum inodorum, artemisia vulgaris, chenopodium album, cirsium arvense, convolvulus arvensis, oenothera biennis, persicaria lapathifolia, silene latifolia, carduus acanthoides, echium vulgare, sonchus oleraceus