anthemis arvensis, apera spica-venti, centaurea cyanus, chenopodium album, crepis tectorum, fallopia convolvulus, hypochaeris glabra, lycopsis arvensis, papaver dubium, raphanus raphanistrum, roemeria argemone, scleranthus annuus, setaria viridis, spergula arvensis, veronica dillenii, viola arvensis, buglossoides arvensis, draba verna, erigeron canadensis, veronica arvensis, viola tricolor