apera spica-venti, convolvulus arvensis, fallopia convolvulus, achillea millefolium, arnoseris minima, rhinanthus glacialis, scleranthus annuus, viola tricolor, centaurea cyanus, chenopodium album, digitaria ischaemum, draba verna, myosotis arvensis, polygonum aviculare, roemeria argemone, rumex acetosella, spergula arvensis