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Van den Berg, Cássio et al (2000). "A Phylogenetic analysis of Laellinae based on sequence data from internal transcribed spacers of nuclear ribosomal DNA" in Lindleyana vol.15-2, pp. 96–114. Published on Internet[permanent dead link].
Van den Berg, C. & Chase, M.W. (2001). "Nomenclatural notes on Laeliinae - II. Additional combinations and notes" in Lindleyana 16(2): 109–112. Published on the Internet.Archived 2007-09-26 at the Wayback Machine
