scleranthus annuus, anthoxanthum aristatum, apera spica-venti, anthemis arvensis, capsella bursa-pastoris, cerastium holosteoides, vicia tetrasperma, viola arvensis, centaurea cyanus, chenopodium album, cirsium arvense, draba verna, fallopia convolvulus, myosotis arvensis, myosotis stricta, papaver dubium, roemeria argemone, sonchus arvensis, stellaria media, veronica arvensis, vicia sativa