| Name | Sphagnum angustifolium var. warnstorfii (C. E. O. Jensen) C. E. O. Jensen |
| Authorship | (C. E. O. Jensen) C. E. O. Jensen |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Sphagnum angustifolium (Warnstorf) C. E. O. Jensen |
| Citation | 1915 Danmarks Mosser 1: 271 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Sphagnum angustifolium var. warnstorfii (C. E. O. Jensen) C. E. O. Jensen |
| Identification made in | [no date] (1) |