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James Rodman, Robert A. Price, Kenneth Karol, Elena Conti, Kenneth J. Systma, Jeffrey D. Palmer, Nucleotide Sequences of the rbcL Gene Indicate Monophyly of Mustard Oil Plants, Annals of the Missouri Botanical Garden, Vol. 80, No. 3 (1993), pp. 686-699
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Rodman et al. (1993) studied this question.
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