Epipactis helleborine subsp. tremolsii (Pau) E.Klein, Orchidee (Hamburg) 30: 49 (1979).
Original Compiler: R.Govaerts
This name is Accepted by:
- Govaerts, R. (2003). World Checklist of Monocotyledons Database in ACCESS: 1-71827. The Board of Trustees of the Royal Botanic Gardens, Kew.
- Kühn, R., Pedersen, H.Æ. & Cribb, v (2019). Field Guide to the Orchids of Europe and the Mediterranean: 1-430. Kew Publishing, England.