it, viterbo, eryngium campestre, sherardia arvensis, convolvulus arvensis, bromus hordeaceus, papaver rhoeas, plantago lanceolata, trifolium campestre, poa bulbosa, cynodon dactylon, vicia sativa, dactylis glomerata, dasypyrum villosum, poterium sanguisorba, avena barbata, cichorium intybus, daucus carota, medicago minima, anthemis arvensis, silybum marianum, trifolium angustifolium, lysimachia arvensis, crepis sancta, salvia verbenaca, avena sterilis, erodium cicutarium, carthamus lanatus, convolvulus cantabrica, chondrilla juncea, centaurea solstitialis, rumex pulcher, verbascum sinuatum, petrorhagia prolifera, sonchus asper, scolymus hispanicus, euphorbia helioscopia, trifolium resupinatum, geranium dissectum, medicago rigidula, lolium rigidum, trifolium scabrum, hypericum perforatum, filago pyramidata, helminthotheca echioides, trifolium incarnatum, lolium perenne, foeniculum vulgare, echium italicum, scandix pecten-veneris, lactuca serriola, medicago polymorpha