arabidopsis thaliana, cirsium arvense, equisetum arvense, lamium purpureum, matricaria chamomilla, persicaria hydropiper, persicaria maculosa, plantago uliginosa, poa annua, sagina procumbens, stellaria media, thlaspi arvense, veronica persica, convolvulus arvensis, elymus repens, euphorbia helioscopia, myosotis arvensis, veronica arvensis, vicia hirsuta, viola arvensis