| Name | Sedum triactina subsp. leptum Fröderström |
| Authorship | Fröderström |
| Rank | Subspecies |
| Placed in | Sedum triactina A. Berger |
| Citation | 1942 Acta Horti Gothob. 15: 28 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Sedum triactina subsp. leptum Fröderström |
| Identification made in | [no date] (2) |