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Centaurea solstitialis (Yellow star thistle, Yellow knapweed)
centaurea-solstitialis-yellow-star-thistle-yellow-knapweed-toxtf26-high
Centaurea solstitialis (Yellow star thistle, Yellow knapweed)

    Centaurea solstitialis (Yellow star thistle, Yellow knapweed).

Courtesy of Dr. Cecil Brownie