zea mays, equisetum arvense, setaria pumila, chenopodium album, cirsium arvense, echinochloa crus-galli, scleranthus annuus, galinsoga parviflora, gnaphalium uliginosum, oxalis stricta, persicaria maculosa, psammophiliella muralis, riccia glauca, riccia sorocarpa, rumex acetosella, stellaria media, tripleurospermum inodorum, viola arvensis