You selected Sedum leibergii var. typicum Clausen. This is a synonym for:

Accepted scientific name:
Sedum leibergii Britt. (accepted name) 1 literature reference for Sedum leibergii Britt.
Synonyms:
Amerosedum leibergii (Britt.) A.& D. Löve (synonym) 2 literature references for Amerosedum leibergii (Britt.) A.& D. Löve
Sedum borschii (Clausen) Clausen (synonym) 3 literature references for Sedum borschii (Clausen) Clausen
Sedum divericatum S. Wats. (synonym) 2 literature references for Sedum divericatum S. Wats.
Sedum leibergii var. typicum Clausen (synonym) 2 literature references for Sedum leibergii var. typicum Clausen
Infraspecific taxon: Sedum leibergii Britt.
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Magnoliopsida
Order Rosales
Family Crassulaceae
Genus Sedum
Distribution: North America
Additional data: -
Source database: ITIS, Sep 2009
Latest taxonomic scrutiny: Kartesz J., 15-Mar-2000
Online resource: http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=24135
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:248a46da-60a7-102d-be47-00304854f810:ac2010