General:
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Brummitt, R. K. 2007. Report of the Nomenclature Committee for Vascular Plants: 58. Taxon 56(2): 590–594.
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Pedersen, H. A. & J. Reinhardt. 2005. (1702) Proposal to conserve the name Epipactis purpurata against E. viridiflora (Orchidaceae). Taxon 54(3): 836–837.
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