echinochloa crus-galli, setaria viridis, capsella bursa-pastoris, digitaria ischaemum, fallopia convolvulus, rumex acetosella, solanum nigrum, spergula arvensis, chenopodium album, elymus repens, erodium cicutarium, galinsoga parviflora, geranium pusillum, persicaria lapathifolia, persicaria maculosa, poa annua, polygonum aviculare, scleranthus annuus, senecio vulgaris, stellaria media, viola arvensis