Note: The Plant List is unusual in maintaining Oreinotinus as a segregate from Viburnum. In addition, APGIV wishes to maintain this family over Viburnaceae in order to help maintain nomenclatural stability.
Reveal J. 2008. Proposals to conserve the name Viburnaceae (Magnoliophyta), the name Adoxaceae against Viburnaceae, a “superconservation” proposal, and as an alternative, the name Sambucaceae. Taxon 57: 303.
Stevens, P.F. 2001 onwards. Angiosperm Phylogeny Website. Version 12, July 2012 [and more or less continuously updated since]. (web site)