gnaphalium uliginosum, agrostis stolonifera, apera spica-venti, aphanes arvensis, equisetum arvense, fallopia convolvulus, mentha arvensis, myosotis arvensis, persicaria hydropiper, plantago uliginosa, poa annua, polygonum aviculare, rumex acetosella, tripleurospermum inodorum, veronica arvensis, veronica serpyllifolia, viola arvensis