text: digitaria sanguinalis, setaria verticillata, amaranthus cruentus, amaranthus retroflexus, cyperus rotundus, galinsoga quadriradiata, chenopodium vulvaria, cyperus glomeratus, heliotropium europaeum, portulaca oleracea, setaria pumila, sorghum halepense, datura stramonium, echinochloa crus-galli, parietaria judaica, solanum nigrum