Source: California Invasive Plant Council

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Eucalyptus globulus (Tasmanian blue gum)

Eucalyptus globulus
Eucalyptus globulus
Photo courtesy Joseph DiTomaso

Eucalyptus globulus (Tasmanian blue gum) is a tree (family Myrtaceae) found throughout California, but has primarily escaped to become invasive along the coast from northern to southern California. Native plants are unable to grow underneath groves of eucalyptus. This has been attributed to either the thick litter layer that can develop, or perhaps an allelopathic effect.

Cal-IPC Inventory rating: Moderate

Cal-IPC Resources on Eucalyptus globulus

Cal-IPC News Articles

  • O'Rourke, B. and J. Horenstein (2009). Tackling invasive plants on California Sept. of Fish & Game lands. Cal-IPC News. 17: 12.
  • Burkhart, B. and M. Kelly (2005). Which weeds dominate southern California urban riparian systems? Cal-IPC News. 13: 4-5,12.
  • Cole, K. and N. Molinari (2004). Teaching weeds: California university invasive plant programs. Cal-IPC News. 12: 11.
  • Hayes, G. (2004). The ecology and impacts of blue gum Eucalyptus in coastal California. Cal-IPC News. 12: 14.
  • (1999). Richmond weed abatement ordinance. CalEPPC News. 7: 10.
  • Warner, P. (1998). CalEPPC Symposium '97. CalEPPC News. 6: 6-8.
  • Kelly, M. (1997). Lessons from the front: Taking stock to avoid surprises. CalEPPC NEWS. 5: 4-7.
  • Griffith, Q. (1995). Marin supervisors establish policy against non-natives. CalEPPC News. 3: 11.
  • (1994). Exotic pest plants of greatest ecological concern in California September 1994. CalEPPC News. 2: 10.
  • (1993). California Exotic Pest Plant Council draft list exotic plants of greatest concern October 1993. CalEPPC News. 1: 6.

Cal-IPC Symposium Proceedings

  • DiTomaso, J., A. Stanton, et al. (2005). Invasive Plant Inventory ("weed list") working group. California Invasive Plant Council Symposium 2005. Chico, CA.
  • Horowitz, M. (2003). Alternatives to chemical stump treatment of Acacia dealbeta. California Invasive Plant Council Symposium 2003. Kings Beach, CA.
  • Hunter, J. C., J. C. Sterling, et al. (2003). The abundance and distribution of non-native woody species in Sacramento Valley riparian zones. California Invasive Plant Council Symposium 2003. Kings Beach, CA.
  • Archbald, G. (1998). Mechanical control methods: beyond weed bashing. California Exotic Pest Plant Council Symposium '98. Ontario, CA.
  • Boyd, D. (1997). Eucapyptus removal on Angel Island. California Exotic Pest Plant Council Symposium '97. Concord, CA.

Other Resources on Eucalyptus globulus