IUCN. 2004. 2004 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 23 November 2004.
Lucas, G.L.l. and Synge, H. (compilers). 1978. The IUCN Plant Red Data Book. IUCN, Morges, Switzerland.
Miller, A.G. 1992. List of Socotran endemics with conservation status. Revised November 1991 (unpublished).
Miller, A.G. 1997. Completed data collection forms and comments concerning the threatened trees of Socotra and Yemen.
Oldfield, S., Lusty, C. and MacKinven, A. (compilers). 1998. The World List of Threatened Trees. World Conservation Press, Cambridge, UK.
Walter, K.S. and Gillett, H.J. (eds). 1998. 1997 IUCN Red List of Threatened Plants. Compiled by the World Conservation Monitoring Centre. IUCN - The World Conservation Union, Gland, Switzerland and Cambridge, UK.
|Citation:||Miller, A. 2004. Punica protopunica. The IUCN Red List of Threatened Species. Version 2014.1. <www.iucnredlist.org>. Downloaded on 23 July 2014.|
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