Template:Bateman, Pridgeon & Chase, 1997
- Bateman, R.M., Pridgeon, A.M. & Chase, M.W. 1997. Phylogenetics of subtribe Orchidinae (Orchidoideae, Orchidaceae) based on nuclear ITS sequences. 2. Infrageneric relationships and reclassification to achieve monophyly of Orchis sensu stricto. Lindleyana 12(3): 113–141.