arabidopsis thaliana, chenopodium album, equisetum arvense, fallopia convolvulus, galium aparine, gnaphalium uliginosum, lamium purpureum, matricaria chamomilla, myosotis arvensis, poa annua, stellaria media, vicia hirsuta, centaurea cyanus, elymus repens, persicaria maculosa, plantago uliginosa, viola arvensis