text: centaurea calcitrapa, carlina corymbosa, picnomon acarna, chondrilla juncea, cichorium intybus, eryngium campestre, pallenis spinosa, scolymus hispanicus, andryala integrifolia, atriplex halimus, convolvulus arvensis, helminthotheca echioides, lactuca serriola, malva sylvestris, marrubium vulgare, medicago sativa, plantago lanceolata, sixalix atropurpurea