centaurea calcitrapa, hordeum murinum, medicago arabica, plantago lanceolata, anacyclus clavatus, bromus hordeaceus, convolvulus arvensis, crepis vesicaria, lolium rigidum, malva neglecta, rumex pulcher, silybum marianum, bellis perennis, daucus carota, eryngium campestre, verbascum pulverulentum