galinsoga parviflora, persicaria lapathifolia, ranunculus repens, chenopodium album, myosotis arvensis, setaria pumila, stachys palustris, carex hirta, daucus carota, digitaria sanguinalis, echinochloa crus-galli, erigeron canadensis, gnaphalium uliginosum, lamium purpureum, leontodon hispidus, lipandra polysperma, matricaria chamomilla, rorippa sylvestris, rumex crispus