A 1998IUCN [Red List of Threatened Species|IUCN] assessment of Agathis dammara regarded Agathis borneensis as a synonym. IUCN assessor Aljos Farjon now treatsA. borneensis as a distinct species. In his IUCN assessments of 1998 and 2010, Farjon assessed Agathis endertii as a separate species. However, as of 2013, he considers A. endertii synonymous with A. borneensis.