text: convolvulus arvensis, solanum nigrum, amaranthus hybridus, amaranthus retroflexus, chenopodium album, cirsium arvense, digitaria sanguinalis, diplotaxis muralis, portulaca oleracea, setaria pumila, stellaria media, datura stramonium, echinochloa crus-galli, eragrostis cilianensis, reseda lutea, senecio vulgaris, setaria viridis, sinapis arvensis, sorghum halepense