text: centaurea cyanus, anthemis arvensis, bromus arvensis, bunias erucago, papaver rhoeas, avena sterilis, bromus hordeaceus, convolvulus arvensis, cynosurus echinatus, lactuca serriola, lolium multiflorum, lolium perenne, lophiolepis eriophora, sonchus asper, torilis arvensis, vicia cracca