Pacific_Subtropical_Islands_(biogeographic_region)
The Pacific Subtropical Islands is an interim Australian bioregion which includes Norfolk Island and Lord Howe Island (both part of New South Wales). Its IBRA code is PSI.[1][2][3]
Norfolk and Lord Howe Islands constitute the Norfolk Islands, a Level 3 biogeographic unit (aka botanical country) in the World Geographical Scheme for Recording Plant Distributions.[4]