text: digitaria ischaemum, bidens tripartita, persicaria hydropiper, anthemis arvensis, anthoxanthum aristatum, centaurea cyanus, cirsium arvense, equisetum arvense, erigeron canadensis, fallopia convolvulus, gnaphalium uliginosum, plantago lanceolata, polygonum aviculare, rorippa austriaca, rorippa sylvestris, scleranthus annuus, setaria pumila, spergula arvensis, trifolium repens