Wormleaf Stonecrop, a native species, has been added to the USWildflowers database (07/17/2012.) Scientific name is Sedum stenopetalum.  Photo below was taken on the Kleinschmidt Grade in Adams County, ID on June 18, 2011.  Go to the Wormleaf Stonecrop detail page for more photos and information.

Wormleaf Stonecrop – Sedum stenopetalum