Chatterbox, Giant Helleborine, Stream Orchid: Epipactis gigantea (Synonyms: Amesia gigantea, Epipactis gigantea f. citrina, Epipactis gigantea f. rubrifolia, Helleborine gigantea) -
Broad-leaved Helleborine, Garden Helleborine, Helleborine: Epipactis helleborine (Synonyms: Epipactis latifolia, Serapias helleborine) -