it, viterbo, sherardia arvensis, eryngium campestre, dasypyrum villosum, convolvulus arvensis, avena barbata, papaver rhoeas, bromus hordeaceus, poa bulbosa, plantago lanceolata, trifolium campestre, anthemis arvensis, dactylis glomerata, vicia sativa, poterium sanguisorba, cynodon dactylon, daucus carota, lysimachia arvensis, medicago minima, avena sterilis, tordylium apulum, salvia verbenaca, trifolium scabrum, sonchus asper, medicago rigidula, lolium rigidum, crepis sancta, trifolium angustifolium, convolvulus cantabrica, achyrophorus valdesii, cichorium intybus, carthamus lanatus, euphorbia helioscopia, medicago polymorpha, rumex pulcher, lolium perenne, hordeum murinum, trifolium stellatum, erodium cicutarium, scolymus hispanicus, filago pyramidata, silybum marianum, carduus pycnocephalus, carlina corymbosa, bromus sterilis, petrorhagia prolifera, geranium molle, geranium dissectum, centaurea solstitialis, euphorbia exigua, chondrilla juncea