Kent M, Coker P(1992). Vegetation description and analysis A practical approach. London: Belhaven Press.
[6]
Rolf, FJ(1994). NYSYS-pc Version 2.10e. Numerical taxonomy and multivariate analysis system. Exter Publishing, Ltd.
[7]
Schilling JR, Heiser JR(1976). Reexamination of a numerical taxonomic study of Solanum species and hybrids. Taxon. 25, 451 – 462.
[8]
Sebola RJ, Balkwill K(2009). Numerical phenetic analysis of Olinia rochetiana sensu lato (Oliniaceae). Kew Bull. 64, 95–121.
[9]
Smissen RD, Clement JC, Garnock-Jones PJ(2002). Subfamilial relationships within Caryophyllaceae as inferred from 5’ndhF sequences. AM J BOT. 89, 1336.
[10]
Sneath PHA(2000). Numerical classification of the Chemical elements and ITS relationto the periodic system. Found of Chem. 2, 237–263.
[11]
钟扬, 陈家宽, 黄德世(1990). 数量分类学的方法与程序. 武汉: 武汉大学出版社. pp. 72-77
[12]
Abdel Khalik K, Maesen LJG, Koopman WJM, Berg RG(2002). Numerical taxonomic study of some tribes of Brassicaceae from Egypt, Plant Syst Evol. 233, 207–221.
