digitaria ischaemum, bidens tripartita, persicaria hydropiper, achillea millefolium, anthoxanthum aristatum, argentina anserina, centaurea cyanus, equisetum arvense, erigeron canadensis, fallopia convolvulus, galeopsis tetrahit, gnaphalium uliginosum, knautia arvensis, plantago lanceolata, plantago uliginosa, polygonum aviculare, ranunculus repens, rorippa austriaca, rumex acetosella, scleranthus annuus, setaria pumila, spergula arvensis, spergularia rubra