The IUCN plant red data book : comprising red data sheets on 250 selected plants threatened on a world scale / International Union for Conservation of Nature and Natural Resources ; compiled by Gren Lucas and Hugh Synge for the Threatened Plants Committee of the Survival Service Commission of IUCN, with the help and advice of experts throughout the world.
The IUCN plant red data book : comprising red data sheets on 250 selected plants threatened on a world scale / International Union for Conservation of Nature and Natural Resources ; compiled by Gren Lucas and Hugh Synge for the Threatened Plants Committee of the Survival Service Commission of IUCN, with the help and advice of experts throughout the world.