Synonyms
Gyrostachys cernua (L.) Kuntze
Gyrostachys constricta Small
Spiranthes cernua var. ochroleuca Ames
Triorchis cernuus (L.) Nieuwl.
Spiranthes annua Lesq. ex Branner & Coville
Spiranthes constricta (Small) K.Schum.
Limodorum autumnale Walter
Neottia cernua (L.) Sw.
Spiranthes petiolaris Raf.
Ophrys cernua L.
Spiranthes parksii Correll
Ibidium cernuum (L.) House