berteroa incana, cichorium intybus, lolium perenne, polygonum aviculare, arctium tomentosum, capsella bursa-pastoris, chenopodium album, convolvulus arvensis, echium vulgare, melilotus officinalis, pastinaca sativa, picris hieracioides, plantago major, poa annua, reseda lutea, tanacetum vulgare, tripleurospermum inodorum, pimpinella saxifraga