avena sativa, aegilops geniculata, aegilops ventricosa, anacyclus clavatus, anthemis cotula, avena sterilis, bifora radians, bromus diandrus, bromus hordeaceus, carduus pycnocephalus, cichorium intybus, cynosurus echinatus, euphorbia helioscopia, galium tricornutum, geranium dissectum, hordeum distichon, knautia arvensis, lathyrus aphaca, linaria hirta, lolium rigidum, malva multiflora, medicago orbicularis, papaver rhoeas, phalaris brachystachys, plantago lanceolata, silybum marianum, trifolium angustifolium, trifolium campestre, centaurea calcitrapa, centaurea pullata, ranunculus neapolitanus, rapistrum rugosum, rumex crispus, silene vulgaris, sonchus oleraceus