chenopodium album, eragrostis cilianensis, portulaca oleracea, convolvulus arvensis, digitaria sanguinalis, amaranthus albus, amaranthus retroflexus, chondrilla juncea, chrozophora tinctoria, cynodon dactylon, echinochloa crus-galli, heliotropium europaeum, sorghum halepense, tribulus terrestris