plumbago europaea, bromus diandrus, dasypyrum villosum, convolvulus arvensis, elymus repens, lactuca serriola, achillea collina, avena barbata, cirsium arvense, daucus carota, eryngium campestre, galium album, galium verum, hypericum perforatum, papaver rhoeas, picris hieracioides, rumex crispus, tordylium maximum