1. Cytosystematic study of the curopean representatives of the genus Ornithogalum (Liliaceae) of the flora of the U.S.S.R. II Subgenus Ornithogalum;Agapova;Bot. Zh. SSSR,1980
2. Azzioui , O. Moret , J. Guern , M. Giemsa c-banded karyotypes of some Ornithogalum L. species in North Africa Cytologia
3. Revision of the genera and species of Scilleae and Chlorogaleae;Baker;Journ. Linn. Soc.,1873
4. Estudos caryologicos no genero Ornithogalum L.;Barros Neves;Bol. Soc. Brot.,1952
5. Epidermal and seed surface characters of plants: systematic applicability and some evolutionary aspects;Barthlott;Nord. J. Bot.,1981