- Epipactis leptochila, Narrow-lipped Helleborine;Epipactis cleistogama CA Thomas;Epipactis helleborine leptochila (Godfery) HSund nom inval;Epipactis muelleri Godfery;Epipactis muelleri var cleistogama (CA Thomas) PDSell;Epipactis viridiflora var leptochila Godfery
- Epipactis phyllanthes, Green-flowered Helleborine;Epipactis cambrensis CA Thomas;Epipactis confusa DP Young;Epipactis helleborine subsp phyllanthes (GE Sm) H Sund nom inval;Epipactis pendula CA Thomas non AA Eaton;Epipactis phyllanthes var cambrensis (CA Thomas) PDSell;Epipactis vectensis (T & TA Stephenson) Brooke & F Rose
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