This taxon is Not Recognised as a species by BirdLife International.
Phyllastrephus icterinus and P. lorenzi (del Hoyo and Collar 2016) were previously lumped as P. icterinus following Dowsett and Forbes-Watson (1993), Sibley and Monroe (1990, 1993) and Fishpool and Tobias (2005).
BirdLife International (2020) Species factsheet: Phyllastrephus icterinus. Downloaded from http://www.birdlife.org on 25/05/2020. Recommended citation for factsheets for more than one species: BirdLife International (2020) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 25/05/2020.