| Name | Sedum laxum subsp. heckneri (M. Peck) R. T. Clausen | 
| Authorship | (M. Peck) R. T. Clausen | 
| Rank | Subspecies | 
| Placed in | Sedum laxum (Britton) A. Berger | 
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Sedum laxum subsp. heckneri (M. Peck) R. T. Clausen | 
| Identification made in | [no date] (5) | 
