echinochloa crus-galli, zea mays, persicaria maculosa, plantago uliginosa, artemisia vulgaris, cerastium glomeratum, chenopodium album, galinsoga parviflora, gnaphalium uliginosum, juncus bufonius, persicaria hydropiper, persicaria lapathifolia, rorippa islandica, sisymbrium officinale, spergula arvensis, stellaria graminea, tripleurospermum inodorum, viola arvensis