Aliens [electronic resource].
International Union for Conservation of Nature and Natural Resources.Invasive Species Specialist Group.
Auckland, N.Z. : Invasive Species Specialist Group of the IUCN Species Survival Commission
Description based on no. 13 (2001); title from PDF title screen (viewed Mar. 30, 2007).
Latest issue consulted: No. 23 (2006) (viewed Mar. 30, 2007).
Nonindigenous pests
Biological invasions
Endangered species