100 of the world 's worst invasive alien species Corporate author IUCN Invasive Species Specialist Group Date 2001 Source IUCN (ID: MON-068623) Publisher | Place of publication IUCN ISSG, University of Auckland, SEMS | Auckland, New Zealand Pages 12 p. Document type Miscellaneous Language English Field of application International Subject Wild species & ecosystems Keyword Alien species Full text MON-068623.pdf Website www.iucn.org