Synonymy
Dactylorhiza purpurella (T. Stephenson & T. A. Stephenson) Soó subsp. purpurella
- =Orchis praetermissa var. pulchella Druce in Bot. Soc. Exch. Club Brit. Isles 5: 577. 1920
- =Orchis purpurella var. crassifolia T. Stephenson in Bot. Soc. Exch. Club Brit. Isles 11: 356. 1937
- =Orchis purpurella var. maculosa T. Stephenson in Bot. Soc. Exch. Club Brit. Isles 11: 355. 1937
- ≡Dactylorhiza majalis var. maculosa (T. Stephenson) R. M. Bateman & Denholm in Watsonia 14: 370. 1983