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 (Lehtonen and Schall 2009)
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 highly relevant resources for this species, organized by source. Or, to display all related content view all resources for British Yellowhead.
USDA. APHIS. PPQ. Center for Plant Health Science and Technology; California Department of Food and Agriculture.
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.
Oregon Department of Fish & Wildlife. 2005. Oregon Invasive Species Action Plan (PDF | 2 MB). June 2005.