text: tagetes minuta, setaria verticillata, amaranthus viridis, chenopodium opulifolium, digitaria sanguinalis, sorghum halepense, xanthium orientale, amaranthus albus, amaranthus hybridus, chenopodium album, heliotropium hirsutissimum, portulaca oleracea, solanum decipiens, sonchus oleraceus, symphyotrichum squamatum, eragrostis cilianensis, erigeron bonariensis