Epipactis helleborine subsp. tremolsii
Synonymy
Source: 2010: World Checklist of Selected Plant Families (2010), copyright © The Board of Trustees of the Royal Botanic Gardens, Kew.
Epipactis helleborine subsp. tremolsii in Orchidee (Hamburg) 30: 49. 1979
- ≡Epipactis tremolsii in Bol. Soc. Aragonesa Ci. Nat. 13: 43. 1914
- ≡Epipactis atropurpurea var. tremolsii, Monogr. Iconogr. Orchid. Eur. 1: 274. 1928