REFERENCES
- Berger , A. 1930 . “ Crassulaceae ” . In Die natürlichen Pflanzenfamilien, , 2nd edition Edited by: Engler , A. and Prantl , K. Vol. 18a , 352 – 483 . Leipzig : W. Engelmann .
- Boissier , E. 1872 . Flora Orientalis. Vol. 2 , H. Georg, Geneva
- Castroviejo , S. and Calvo , R. 1981 . Datos citotaxonomicos en Sedum series Rupestria Berger. . An. Jard. Bot. Madrid , 38 : 37 – 50 .
- Chamberlain , D. F. 1972 . “ Sedum. ” . In Flora of Turkey. Edited by: Davis , P. H. Vol. 4 , 224 – 243 . Edinburgh : Edinburgh University Press .
- Ehrendorfer , F. 1963 . Cytologie, Taxonomie und Evolution bei Samenpflanzen. . Vistas in Botany , 4 : 99 – 186 .
- Grant , V. 1971 . Plant Speciation. New York & London : Columbia University Press .
- Hagemann , I. and Hart , H. 't . 1986 . “ Sedum ” . In Mountain Flora of Greece. Edited by: Strid , A. Vol. 1 , 341 – 359 . Cambridge : Cambridge University Press .
- Hart , H. 't. 1972 . Chromosome numbers in the series Rupestria Berger of the genus Sedum L. . Acta Bot. Neerl. , 21 : 428 – 435 .
- Hart , H. 't. 1978 . Biosystematic studies in the acre-group and the series Rupestria Berger of the genus Sedum L. Utrecht : University of Utrecht . (Crassulaceae). Ph.D. Thesis
- Hart , H. 't. 1985 . Chromosome numbers in Sedum (Crassulaceae) from Greece. . Willdenowia , 15 : 115 – 135 .
- Hart , H. 't. 1990 . Sedum ursi (Crassulaceae), a new species from Sandras Daği (Turkey). . Acta Bot. Neerl. , 39 : 203 – 206 .
- Hart , H. 't. 1991 . Evolution and classification of the European Sedum species (Crassulaceae). . Flora Mediterranea , 1 : 31 – 61 .
- Hart , H. 't. and Alpinar , K. 1989 . “ Biosystematic studies in Sedum of Turkey. Morphological and cytological variation in S. pallidum and S. rubens. ” . In Abstracts Sixth Meeting OPTIMA, Delphi, p. 101. Edited by: Phitos , D.
- Hart , H. 't. and Alpinar , K. 1991a . Biosystematic studies in Sedum (Crassulaceae) of Turkey. . 1. Notes on four hitherto little known species collected in the western part of Anatolia. Willdenowia , 21 : 143 – 156 .
- Hart , H. 't. and Alpinar , K. 1991b . Biosystematic studies in Sedum (Crassulaceae) of Turkey: Morphological and cytological variation in S. pallidum, S. rubens . Bot. Chron. , 10 : 641 – 649 .
- Hart , H. 't. and Eggli , U. 1988 . Cytotaxonomic studies in Rosularia (Crassulaceae). . Bot. Helv. , 98 : 223 – 234 .
- Hébert , L. P. 1983 . Analyse d'un complexe chromosomique en Méditerranée: Sedum ser. Rupestria Berger emend . Rev. Cytol. Biol. Vég.—Bot. , 6 : 179 – 224 .
- Maire , R. 1977 . Flore de l'Afrique du Nord. Vol. 14 , Paris
- Mouterde , P. 1969 . Nouvelle flore du Liban et de la Syrie. Vol. 2 , Dar El-Machreq, Beyrouth
- Stebbins , G. L. 1950 . Variation and evolution in plants. New York : Columbia University Press .
- Stebbins , G. L. 1971 . Chromosomal variation in higher plants. London : Arnold .
- Uhl , C. H. 1963 . Chromosomes and phylogeny of the Crassulaceae. . Cactus Succulent J. Am. , 35 : 80 – 84 .
- Zohary , M. 1972 . Flora Palaestina. Vol. 2 , Jerusalem : Israel Academy of Sciences and Humanities .