1. Battaglia, E., 1955. Chromosome morphology and terminology. Caryologia 8: 179?187.
2. Darvey, N. L. & Driscoll, C. J., 1972. Nucleolar behaviour in Triticum. Chromosoma 36: 131?139.
3. De-Yuan, H., 1982. A new karyotype of Nareissus tazetta I., Hereditas 97: 29?31.
4. Fernandes, A., 1934. Nouvelles études caryologiques sur le genre Narcissus L., Bol. Soc. Brot. Sér. 2 9: 3?198.
5. Fernandes, A., 1950. La méiose chez Narcissus poetaz ?Alsace?. Genet. ibér. 2: 149?174.