text: convolvulus arvensis, amaranthus albus, amaranthus retroflexus, chenopodiastrum hybridum, chenopodium album, cynodon dactylon, echinochloa crus-galli, eragrostis cilianensis, heliotropium europaeum, hibiscus trionum, portulaca oleracea, reseda lutea, rubus caesius, setaria pumila, sorghum halepense