calendula arvensis, lolium rigidum, medicago polymorpha, sulla coronaria, trifolium nigrescens, galactites tomentosa, achyrophorus valdesii, beta vulgaris, convolvulus arvensis, plantago lagopus, avena sativa, bromus rigidus, cichorium intybus, echium plantagineum, geranium dissectum, glebionis segetum, hordeum murinum, lathyrus cicera, lotus ornithopodioides, lysimachia arvensis, mentha pulegium, oxalis pes-caprae, pallenis spinosa, poa annua, rumex bucephalophorus, rumex crispus, senecio vulgaris, sherardia arvensis, sinapis arvensis, sonchus asper, verbascum sinuatum, verbena officinalis, vicia bithynica, vicia disperma, trifolium scabrum