| Name | Spiranthes congestiflora L. O. Williams |
| Authorship | L. O. Williams |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Spiranthes Richard |
| GUID | urn:lsid:ipni.org:names:658213-1 |
| Citation | 1946 Bot. Mus. Leafl. 12: 227 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Spiranthes congestiflora L. O. Williams |
| Identification made in | [no date] (1), 2012 (2) |