The Pacific Subtropical Islands is an interim Australian bioregion which includes Norfolk Island and Lord Howe Island. Its IBRA code is PSI.

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.R. K. Brummitt. 2001. World Geographic Scheme for Recording Plant Distributions, Edition 2. Hunt Institute for Botanical Documentation, Carnegie Mellon University (Pittsburgh). http://rs.tdwg.org/wgsrpd/doc/data/

Subregions IBRA regions and subregions: IBRA7IBRA region / subregionIBRA codeAreaStates Location in AustraliaPacific Subtropical Islands PSI Lord Howe Island PSI01 NSWNorfolk Island PSI02 Norfolk Island

See also

Geography of Australia

References IBRA Version 6.1 data

Further reading Thackway, R and I D Cresswell (1995) An interim biogeographic regionalisation for Australia : a framework for setting priorities in the National Reserves System Cooperative Program Version 4.0 Canberra : Australian Nature Conservation Agency, Reserve Systems Unit, 1995.