| Name | Sphagnum ludovicianum (Renauld & Cardot) Warnstorf |
| Authorship | (Renauld & Cardot) Warnstorf |
| Rank | Species |
| Placed in | Sphagnum |
| Citation | 1891 Hedwigia 30: 161. 18 f. 2b; 28g |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Sphagnum ludovicianum (Renauld & Cardot) Warnstorf |
| Identification made in | [no date] (4) |