apera spica-venti, capsella bursa-pastoris, stellaria media, poa annua, viola arvensis, papaver rhoeas, tripleurospermum inodorum, aphanes arvensis, arabidopsis thaliana, lamium amplexicaule, myosotis arvensis, veronica hederifolia, draba verna, roemeria argemone, veronica arvensis, veronica triphyllos