Synonymy
Orchis purpurea subsp. caucasica (Regel) B. Baumann & al. in J. Eur. Orchideen 35: 182. 2003
- ≡Orchis caucasica Regel in Index Sem. Hort. Petrop. 1868(Suppl.): 22. 1869
- =Orchis aserica B. Baumann & al. in J. Eur. Orchideen 35: 174. 2003
- ≡Orchis caucasica f. aserica (B. Baumann & al.) P. Delforge in Naturalistes Belges 85: 252. 2004
- =Orchis purpurea subsp. maxima Soó in Keller & al., Monogr. Iconogr. Orchid. Eur. 2: 393. 1932
- =Orchis purpurea var. caucasica (Regel) E. G. Camus & al., Monogr. Orchid.: 129. 1908