tripleurospermum inodorum, apera spica-venti, cirsium arvense, galium aparine, polygonum aviculare, arabidopsis thaliana, capsella bursa-pastoris, chenopodium album, descurainia sophia, elymus repens, fallopia convolvulus, papaver rhoeas, thlaspi arvense, veronica arvensis, viola arvensis, artemisia vulgaris, crepis biennis, euphorbia esula, lapsana communis, silene latifolia