| Name | Sphagnum affine Renauld & Cardot |
| Authorship | Renauld & Cardot |
| Rank | Species |
| Placed in | Sphagnum |
| Citation | 1885 Rev. Bryol. 12: 44 |
| Holdings | 40 Specimens held in the Harvard University Herbaria identified as Sphagnum affine Renauld & Cardot |
| Identification made in | [no date] (25), 2007 (1), 2016 (2), 2023 (1), 2024 (10), 2025 (1) |