text: malva sylvestris, oloptum thomasii, erodium malacoides, euphorbia helioscopia, silybum marianum, sisymbrium officinale, amaranthus retroflexus, avena sterilis, brassica fruticulosa, bromus rigidus, calendula arvensis, carthamus lanatus, chenopodium album, cynoglossum creticum, echium plantagineum, foeniculum vulgare, fumaria officinalis, hordeum murinum, lolium rigidum, medicago truncatula, papaver rhoeas, sonchus oleraceus