xanthium orientale, erigeron canadensis, dittrichia graveolens, paspalum distichum, polypogon viridis, raphanus raphanistrum, chenopodium album, convolvulus arvensis, cyperus fuscus, daucus carota, dittrichia viscosa, helminthotheca echioides, juncus bufonius, lolium temulentum, lotus corniculatus, medicago lupulina, picris hieracioides, plantago lanceolata, pulicaria dysenterica, symphyotrichum squamatum