digitaria sanguinalis, echinochloa crus-galli, polygonum aviculare, portulaca oleracea, setaria verticillata, amaranthus retroflexus, convolvulus arvensis, asparagus acutifolius, calendula arvensis, capsella bursa-pastoris, chenopodium album, erigeron bonariensis, euphorbia prostrata, hordeum murinum, malva parviflora, medicago littoralis, parietaria judaica, poa annua, solanum nigrum, sonchus oleraceus, tribulus terrestris