secale cereale, scleranthus annuus, illecebrum verticillatum, persicaria hydropiper, anthemis arvensis, anthoceros punctatus, argentina anserina, erigeron canadensis, gnaphalium uliginosum, juncus bufonius, plantago uliginosa, ranunculus flammula, rumex acetosella, setaria pumila, spergula arvensis, stachys palustris, veronica persica, vicia tetrasperma, viola arvensis