This taxon is Not Recognised as a species by BirdLife International.
Phyllastrephus lorenzi (Sibley and Monroe 1990, 1993) is considered a synonym of P. icterinus following Fishpool (2006).
BirdLife International (2016) Species factsheet: Phyllastrephus lorenzi. Downloaded from http://www.birdlife.org on 06/12/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 06/12/2016.