Canada thistle, Cirsium arvense  (Asterales: Asteraceae)

Canada thistle
Magnoliopsida > Asterales > Asteraceae
Cirsium arvense (L.) Scop.


Creative Commons License
This work is licensed under a Creative Commons Attribution-Noncommercial 3.0 United States License.

Photographer: Alec McClay, McClay Ecoscience, Canada
Descriptor: Infestation
Description: in canola (Rape seed) field near Consort, Alberta
Image taken in: Canada


Image Citation: (?)  Alec McClay, McClay Ecoscience, Bugwood.org


Image Use: (?)   You must attribute the work in the manner specified (but not in any way that suggests endorsement). You may not use this work for commercial purposes unless permission is granted by the photographer or copyright owner.
Series: canada thistle biological control

 


Image Information last updated on Tuesday, February 19, 2002


footer line
USDA Forest Service USDA APHIS PPQ University of Georgia

Home | Image Usage | Accessibility Policy | Privacy Policy | Disclaimers | Contact Us

Last updated on Monday, April 13, 2009 at 03:09 PM
www.invasive.org version 2.0, XHTML 1.1, CSS, 508.