digitaria sanguinalis, setaria pumila, setaria viridis, stachys palustris, convolvulus arvensis, echinochloa crus-galli, lipandra polysperma, veronica persica, amaranthus retroflexus, chenopodium album, erigeron canadensis, lathyrus tuberosus, persicaria maculosa, poa trivialis, polygonum aviculare, sedum acre, sonchus oleraceus, trifolium medium, trifolium repens