Canada Thistle
(cirsium arvense) - Aster Family
A European introduction. Its smaller flowering heads and non-spiny stem
distinguish it from the Bull Thistle.
[Audubon Field Guide to North American Wild Flowers - Eastern Region]
Nikon D70 18-70mm Zoom at 70mm
ISO 200, F/8, 4/1000th
Sept 18th 2005
Taken mid-afternoon.
Flesherton, Ontario, Canada
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