| Scientific Name | Authority | Status |
|---|---|---|
| Serapias longifolia | Thunb. | ambiguous synonym |
| Epipactis gigantea var. manshurica | Maxim. ex Kom. | synonym |
| Limodorum thunbergii | (A.Gray) Kuntze | synonym |
| Arthrochilium thunbergii | (A.Gray) Szlach. | synonym |
| Epipactis thunbergii f. flava | Ohwi | synonym |
| Epipactis thunbergii var. manshurica | (Maxim. ex Kom.) Tang & F.T.Wang | synonym |
| Helleborine thunbergii | (A.Gray) Druce | synonym |
| Amesia thunbergii | (A.Gray) A.Nelson & J.F.Macbr. | synonym |
| Epipactis thunbergii f. subconformis | Sakata | synonym |
| Epipactis gigantea var. thunbergii | (A.Gray) M.Hiroe | synonym |
| Helleborine longifolia | Soó | ambiguous synonym |
| Helleborine chinensis | Soó | synonym |
| Epipactis longifolia | Blume | ambiguous synonym |
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