| Name | Sedum laxum subsp. latifolium R. T. Clausen |
| Authorship | R. T. Clausen |
| Rank | Subspecies |
| Placed in | Sedum laxum (Britton) A. Berger |
| Citation | 1942 Bull. Torrey Bot. Club 69: 38 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Sedum laxum subsp. latifolium R. T. Clausen |
| Identification made in | [no date] (1), 2012 (1) |