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Goldblatt P., Takei M. - 1997. Cytology of Iridaceae - patterns of variation, determination of ancestral base numbers, and modes of karyotype change. Ann. Missouri Bot. Gard. , 84(2): 285-304.
Goldblatt, P. & M. Takei. 1997. Chromosome cytology of Iridaceae---patterns of variation, determination of ancestral base numbers, and modes of karyotype change. Ann. Missouri Bot. Gard. 84: 285–304.