chenopodium album, digitaria sanguinalis, equisetum arvense, galinsoga parviflora, setaria pumila, capsella bursa-pastoris, echinochloa crus-galli, lamium purpureum, lipandra polysperma, myosotis arvensis, persicaria maculosa, sonchus oleraceus, stellaria media, ambrosia artemisiifolia, cirsium arvense, elymus repens, erigeron annuus, erigeron canadensis, fallopia convolvulus, gnaphalium uliginosum, lysimachia arvensis, ranunculus sardous, sonchus asper