Reference:Urtecho1996a
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Verbatim text: Urtecho, R. J. 1996. A Taxonomic Study of the Mexican Species of Tragia (Euphorbiaceae). Ph.D. dissertation. University of California, Davis.
Author: Urtecho, R.J.
Year: 1996
Title: A Taxonomic Study of the Mexican Species of Tragia (Euphorbiaceae)