Cactus and succulent plants /
Oldfield, Sara,1955-
IUCN/SSC Cactus and Succulent Specialist Group.
International Union for Conservation of Nature and Natural Resources.
Gland, Switzerland ; Cambridge : IUCN,
c1997.
On title page: IUCN/SSC Cactus and Succulent Specialist Group.
Bibliography: p. 145-155.
Cactus.
Succulent plants.