| Name | Spiranthes nagelii L. O. Williams |
| Authorship | L. O. Williams |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Spiranthes Richard |
| GUID | urn:lsid:ipni.org:names:658346-1 |
| Citation | 1946 Bot. Mus. Leafl. 12: 230 |
| Holdings | 11 Specimens held in the Harvard University Herbaria identified as Spiranthes nagelii L. O. Williams |
| Identification made in | [no date] (4), 1939 (2), 2012 (4), 2014 (1) |