convolvulus arvensis, lipandra polysperma, mentha arvensis, plantago uliginosa, setaria pumila, sonchus arvensis, stachys palustris, chenopodium album, elymus repens, equisetum arvense, gnaphalium uliginosum, oxalis stricta, persicaria hydropiper, persicaria minor, rorippa sylvestris, tripleurospermum inodorum, veronica persica, capsella bursa-pastoris, cirsium arvense, galinsoga parviflora, lolium perenne, medicago lupulina, myosotis arvensis, persicaria lapathifolia, poa annua, trifolium repens