text: hordeum murinum, anacyclus clavatus, bromus hordeaceus, bromus diandrus, bromus madritensis, carduus tenuiflorus, carthamus lanatus, erodium malacoides, lolium perenne, aegilops geniculata, centaurea calcitrapa, centaurea melitensis, crepis vesicaria, cynosurus echinatus, eryngium campestre, festuca ambigua, mantisalca salmantica, medicago sativa, melilotus sulcatus, papaver rhoeas, sherardia arvensis, silene vulgaris, sisymbrium officinale, sisymbrium orientale, torilis nodosa, xeranthemum inapertum