Epipactis leptochila (Godfery) Godfery, J. Bot. 59: 146 (1921).
Homotypic Names:
- * Epipactis viridiflora var. leptochila Godfery, J. Bot. 57: 38 (1919).
- Helleborine latifolia subvar. leptochila (Godfery) Graber, Mitt. Bot. Mus. Univ. Zürich 98: 192 (1923 publ. 1924).
- Helleborine leptochila (Godfery) Druce, Bot. Soc. Exch. Club Brit. Isles 7: 741 (1924 publ. 1925).
- Helleborine latifolia subsp. leptochila (Godfery) Soó, Repert. Spec. Nov. Regni Veg. 24: 35 (1927).
- Epipactis helleborine subsp. leptochila (Godfery) Soó, Ann. Univ. Sci. Budapest. Rolando Eötvös, Sect. Biol. 11: 56 (1969).
- Epipactis muelleri var. leptochila (Godfery) P.D.Sell in P.D.Sell & G.Murrell, Fl. Great Britain Ireland 5: 364 (1996).
- * Basionym/Replaced Synonym