This taxon is Not Recognised as a species by BirdLife International.
Ducula basilica and D. obiensis (del Hoyo and Collar 2014) were previously lumped as D. basilica following Sibley and Monroe (1990, 1993).
BirdLife International (2016) Species factsheet: Ducula basilica. Downloaded from http://www.birdlife.org on 07/12/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 07/12/2016.