| Name | Spiranthes arcisepala M. C. Pace |
| Authorship | M. C. Pace |
| Rank | Species |
| Placed in | Spiranthes Richard |
| Citation | 2017 Syst. Bot. 42(4):640-669 |
| Holdings | 40 Specimens held in the Harvard University Herbaria identified as Spiranthes arcisepala M. C. Pace |
| Identification made in | [no date] (13), 2016 (2), 2023 (4), 2024 (21) |