Subspecies, varieties, forms and cultivars of plants belonging to the Sedum album group

• Sedum album L.: forms mat-like stands and has star-like, white flowers. It is a very variable. Distribution: Europe, Mediterranean, Northern Africa, Western Asia, Iran, and Siberia. Naturalized in the USA and Canada.
• Sedum album subs. clusianum (Gussone) J.A.Huber: has denser glandular hairiness especially in the stem.
• Sedum album var. micranthum (Bastard) DC.: is smaller in size, with obovate leaves (width 3 mm, length 6 mm), petals up to 3 mm long and redder. Distribution: Southern part of the range.
• Sedum album subs. rupimelitense Mifsud, R.Stephenson & Thiede: Out of flower it resembles a typical small S. album but it rarely flowers and when it does each flower only has a single whorl of stamens. Distribution: Malta (from il-Qaws to wied Moqbol).