References
Bateman, R.M., K.E. James, Y.-B. Luo, R.K. Lauri, T. Fulcher, P.J. Cribb, and M.W. Chase. 2009. Molecular phylogenetics and morphological reappraisal of the Platanthera clade (Orchidaceae: Orchidinae) prompts expansion of the generic limits of Galearis and Platanthera. Ann. Bot. 104: 431-445. Google Scholar