text: convolvulus arvensis, amaranthus albus, amaranthus retroflexus, cirsium arvense, echinochloa crus-galli, setaria verticillata, setaria viridis, sorghum halepense, daucus carota, eragrostis cilianensis, heliotropium europaeum, malva sylvestris, robinia pseudoacacia, stellaria media, verbena officinalis