Publication: Nat. Pflanzenfam., ed. 2 [Engler & Prantl] 18a: 466. 1930 Cultivars and forms (4) Subspecies (4) Rosularia sempervivum subs. amanensisRosularia sempervivum subs. glaucophyllaRosularia sempervivum subs. kurdicaRosularia sempervivum subs. libanotica