cynodon dactylon, euphorbia maculata, digitaria sanguinalis, portulaca oleracea, setaria viridis, artemisia scoparia, bromus scoparius, chenopodium album, eleusine indica, eragrostis minor, eragrostis pilosa, erigeron annuus, galinsoga parviflora, hordeum murinum, oxalis corniculata, sonchus oleraceus, trifolium repens