arabidopsis thaliana, fallopia convolvulus, matricaria chamomilla, mentha arvensis, capsella bursa-pastoris, galium aparine, gnaphalium uliginosum, juncus bufonius, myosotis arvensis, persicaria hydropiper, plantago uliginosa, poa annua, sagina procumbens, stellaria media, vicia hirsuta, viola arvensis, cirsium arvense, lamium purpureum, lapsana communis, sonchus arvensis