11. Phytogeography is the branch of biogeography that studies the distribution of plants. 12. Recently, a International Code of Area Nomenclature was proposed for biogeography . 13. Phylogeography takes a population genetics and phylogenetic perspective on biogeography . 14. This is considered to be the first principle of biogeography . 15. He also made a major contribution to the Antarctic biogeography . 16. In species diversity, island biogeography most describes allopatric speciation. 17. This is especially obvious in the field of insular biogeography . 18. In 2003 morphological phylogenetics analysis and biogeography study of the whole genus. 19. Panbiogeography became established as a productive research programme in historical biogeography 20. He was also keenly interested in the historical biogeography of these groups.