digitaria sanguinalis, galinsoga parviflora, amaranthus retroflexus, chenopodium album, echinochloa crus-galli, eragrostis pilosa, portulaca oleracea, setaria pumila, amaranthus blitum, anethum graveolens, chenopodiastrum hybridum, convolvulus arvensis, eragrostis minor, erigeron canadensis, erysimum cheiranthoides, eschscholzia californica, geranium pusillum, lamium purpureum, lysimachia arvensis, malva neglecta, papaver rhoeas, persicaria maculosa, plantago major, poa annua, ranunculus sardous, setaria viridis, solanum nigrum, sonchus oleraceus, stellaria media, trifolium repens, urtica dioica