text: amaranthus retroflexus, chenopodium album, chenopodium vulvaria, convolvulus arvensis, rumex pulcher, amaranthus albus, amaranthus graecizans, anacyclus clavatus, atriplex littoralis, chenopodium opulifolium, heliotropium europaeum, hordeum murinum, malva sylvestris, marrubium vulgare, plantago lanceolata, polygonum aviculare, silene vulgaris, solanum nigrum, sonchus asper, urtica urens, xanthium orientale, xanthium spinosum