centaurea cyanus, viola arvensis, capsella bursa-pastoris, equisetum arvense, anthemis arvensis, arenaria serpyllifolia, buglossoides arvensis, convolvulus arvensis, lapsana communis, veronica arvensis, veronica hederifolia, adonis aestivalis, agrostemma githago, cirsium arvense, descurainia sophia, galium spurium, myosotis arvensis, neslia paniculata, polygonum aviculare, roemeria argemone, trifolium arvense, trifolium pratense