asphodelus ramosus, avena barbata, crepis commutata, lotus conimbricensis, lysimachia arvensis, medicago orbicularis, plantago lagopus, sherardia arvensis, trifolium campestre, trifolium scutatum, aira elegans, aphanes arvensis, briza maxima, cerastium brachypetalum, lepidium spinosum, rumex bucephalophorus, theligonum cynocrambe