Biological Control of Pests in Forests of Eastern United States

 

 

 

Image Number: 1929056
Subject: Canada thistle
Magnoliopsida > Asterales > Asteraceae
Cirsium arvense (L.) Scop.
Photographer: Alec McClay, Alberta Research Council
Descriptor: Infestation
Description: in canola (Rape seed) field near Consort, Alberta
   
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Image Citation:
Alec McClay, Alberta Research Council, www.forestryimages.org
Image Use:
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