text: digitaria sanguinalis, cyperus rotundus, echinochloa colonum, galinsoga quadriradiata, setaria pumila, amaranthus retroflexus, chenopodium album, portulaca oleracea, setaria verticillata, solanum nigrum, amaranthus cruentus, cyperus glomeratus, datura stramonium, erigeron bonariensis, euphorbia peplus, heliotropium europaeum, persicaria lapathifolia, sonchus asper, sonchus oleraceus, sorghum halepense