portulaca oleracea, digitaria sanguinalis, eragrostis minor, panicum capillare, persicaria lapathifolia, amaranthus blitoides, amaranthus retroflexus, atriplex oblongifolia, chenopodium album, echinochloa crus-galli, erigeron annuus, hibiscus trionum, polygonum aviculare, setaria pumila, solanum nigrum, sonchus arvensis, stellaria media, tripleurospermum inodorum, veronica polita