Claim: Phedimus is in the Umbiliceae tribe with about 18 species distributed in Europe and Asia; and within the Sempervivoideae subfamily, under the Crassulaceae family.
Evidence: Umbiliceae Tribe: Phedimus is a genus of the succulent family Crassulaceae (stonecrop family), with about 18 species, distributed in eastern Europe and Asia. Sempervivoideae Subfamily: