carlina corymbosa, carthamus lanatus, centaurea calcitrapa, picnomon acarna, eryngium campestre, lactuca serriola, mantisalca salmantica, chondrilla juncea, cichorium intybus, cirsium arvense, cirsium vulgare, daucus carota, helminthotheca echioides, marrubium vulgare, medicago sativa, onopordum acanthium, silene vulgaris