| Zaadplanten | Kern angiospermen |
| Claden_1 | eudicots |
| Claden_2 | core eudicots |
| Claden_3 | superrosids |
| Domein | Eukaryota Whittaker & Margulis |
| Supergroep | Archaeplastida (Plantae) Adl et al. |
| Rijk | Viridiplantae Cavalier-Smith |
| Subrijk | Streptobionta Kenrick & Crane |
| Superstam | Embryophyta Engler |
| Stam | Magnoliophyta Cronquist, Takht. & W. Zimm. ex Reveal |
| Orde | Saxifragales Bercht. & J.Presl |
| Familie | Crassulaceae J.St.-Hil. |
| Subfamilie | Sempervivoideae Arnott |
| Tak | Semperviveae Dumort. |
| Geslacht | Petrosedum Grulich |
| Soort | rupestre (L.) P.V.Heath |
Petrosedum rupestre (L.) P.V.Heath
