euphorbia peplus, galinsoga parviflora, oxalis stricta, setaria pumila, stellaria media, atriplex patula, convolvulus arvensis, descurainia sophia, digitaria sanguinalis, echinochloa crus-galli, erigeron annuus, erigeron canadensis, falcaria vulgaris, fallopia convolvulus, hordeum murinum, lepidium draba, lysimachia arvensis, poa annua, polygonum aviculare, ranunculus repens, viola arvensis