secale cereale, buglossoides arvensis, centaurea cyanus, convolvulus arvensis, equisetum arvense, spergula arvensis, viola arvensis, achillea millefolium, agrostemma githago, anthemis arvensis, aphanes arvensis, arenaria serpyllifolia, galium aparine, holosteum umbellatum, myosotis arvensis, rhinanthus serotinus, roemeria argemone, sinapis arvensis, stellaria media, thlaspi arvense, veronica triphyllos