apera spica-venti, arabidopsis thaliana, draba verna, fallopia convolvulus, scleranthus annuus, centaurea cyanus, chenopodium album, equisetum arvense, lycopsis arvensis, papaver dubium, setaria viridis, trifolium arvense, veronica arvensis, veronica hederifolia, veronica triphyllos, vicia hirsuta, vicia sativa, viola arvensis, capsella bursa-pastoris, cirsium arvense, myosotis arvensis