anacyclus radiatus, papaver rhoeas, avena sterilis, beta vulgaris, lolium rigidum, papaver dubium, cladanthus mixtus, hedypnois rhagadioloides, medicago doliata, medicago minima, plantago lagopus, anchusa azurea, astragalus hamosus, bellardia trixago, bromus madritensis, bromus rigidus, calendula arvensis, carduus bourgeanus, crepis capillaris, echium plantagineum, eryngium campestre, festuca geniculata, glebionis segetum, hordeum murinum, lactuca serriola, medicago polymorpha, scolymus hispanicus, scorpiurus muricatus, scorpiurus vermiculatus, sonchus asper, trifolium angustifolium, trifolium scabrum, vicia sativa