veronica hederifolia, mentha arvensis, cirsium arvense, veronica polita, achillea millefolium, aphanes arvensis, arabidopsis thaliana, arenaria serpyllifolia, capsella bursa-pastoris, convolvulus arvensis, galium aparine, lamium purpureum, matricaria chamomilla, papaver rhoeas, poa trivialis, stellaria media, veronica persica, viola arvensis, chenopodium album