| Name | Sedum obtusatum subsp. boreale R. T. Clausen |
| Authorship | R. T. Clausen |
| Rank | Subspecies |
| Placed in | Sedum obtusatum A. Gray |
| Citation | 1942 Bull. Torrey Bot. Club 69: 32. |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Sedum obtusatum subsp. boreale R. T. Clausen |
| Identification made in | [no date] (8) |