Craig Hilton-TaylorBooks2000 IUCN red list of threatened speciesIUCN Red List : 50 Years of Conservation2004 IUCN red list of threatened speciesWildlife in a Changing World: An Analysis of the 2008 IUCN Red List of Threatened Species2000 Iucn Red List of Threatened SpeciesRed data list of southern African plantsAuthor data: Open Library