buglossoides arvensis, centaurea cyanus, convolvulus arvensis, viola arvensis, arenaria serpyllifolia, equisetum arvense, anthemis arvensis, bromus racemosus, capsella bursa-pastoris, chenopodium album, descurainia sophia, galium spurium, lolium rigidum, myosotis arvensis, roemeria argemone, trifolium pratense, vicia hirsuta, vicia sativa