Search criteria: scientific name = Cirsium arvense

Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Jim Riley
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Diane Williamson
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Doug Skilton
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Doug Skilton
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Rose Klinkenberg
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  3CDSG DND
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  3CDSG DND
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Adolf Ceska
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Province of British Columbia (Bill Jex)
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Province of British Columbia (Bill Jex)
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Province of British Columbia (Bill Jex)
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Province of British Columbia (Bill Jex)
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Dawn Hanna
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Rod Innes
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  3CDSG DND
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  3CDSG DND
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Gordon Neish
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Brian Klinkenberg
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Ida Koric
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Eileen Brown
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Eileen Brown
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Fraser Cocks
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Niall Williams
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Brian Klinkenberg
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Brian Klinkenberg
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Larry Halverson
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Bryan Kelly-McArthur
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Bryan Kelly-McArthur
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Bryan Kelly-McArthur
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Bryan Kelly-McArthur
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Bryan Kelly-McArthur
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Bryan Kelly-McArthur
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Allan Carson
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Allan Carson
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Allan Carson
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Allan Carson
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Allan Carson
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Val George
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Bryan Kelly-McArthur
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Bryan Kelly-McArthur
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Bryan Kelly-McArthur
Cirsium arvense
Canada thistle
Click on the photo to see a full-sized version and 
to access details about the photo.
Photo © by  Bryan Kelly-McArthur
Cirsium arvense
Canada thistle