Includes species listed as a Federal Noxious Weed under the Plant Protection Act, which makes it illegal in the U.S. to import or transport between States without a permit.
Europe and Asia (Oregon Fish & Wildlife 2005)
Typically found in U.S. nurseries in hosta plants imported from the Netherlands (Morton and Hansen 2002)
Negatively impacts the cultivation of hostas. Roots of Inula britannica look very similar to hosta roots and may become intertwined with them, making it difficult to detect and control. (Lehtonen and Schall 2009)
The section below contains selected highly relevant resources for this species, organized by source. To view all related content for this species, click on "View all resources for species" in the top left of this page.
Integrated Taxonomic Information System. Inula britannica. [Accessed Mar 14, 2015].
Lehtonen, P. and R.A. Schall. 2009. Inula britannica L. (British elecampane) Weed Risk Assessment (PDF | 180 KB). USDA, Animal and Plant Health Inspection Service.
Morton, C.M. and C.J. Hansen. 2002. Inula britannica L. – An Aggressive Weed Alert. Alabama Cooperative Extension System. ANR-1227.
Oregon Department of Fish & Wildlife. 2005. Oregon Invasive Species Action Plan (PDF | 2 MB). June 2005.