text: digitaria ischaemum, persicaria hydropiper, gnaphalium uliginosum, juncus bufonius, spergularia rubra, artemisia vulgaris, bidens tripartita, centaurea cyanus, convolvulus arvensis, echinochloa crus-galli, elymus repens, erodium cicutarium, lactuca serriola, matricaria discoidea, myosotis arvensis, phragmites australis, sagina procumbens, scleranthus annuus, setaria pumila, stachys palustris, viola arvensis