cynodon dactylon, centaurea calcitrapa, lolium perenne, scolymus hispanicus, anthemis arvensis, carthamus lanatus, centaurea solstitialis, cichorium intybus, convolvulus arvensis, crepis setosa, dactylis glomerata, helminthotheca echioides, hordeum murinum, hypochaeris radicata, rumex crispus, salvia verbenaca, trifolium campestre, trifolium repens, verbascum sinuatum, achyrophorus valdesii, clinopodium nepeta, crepis bursifolia, echium vulgare, lotus corniculatus, malva sylvestris, plantago lagopus, rapistrum rugosum, sherardia arvensis, urospermum dalechampii