|Sonchus oleraceus L.|
images: Nikon D1H , UV-Nikkor 105 mm f/4.5 @800 ISO
© Bjørn Rørslett/NN
Sow-thistle has lighter coloured flower heads than its
relatives and the heads are much less conspicuous, too.
Still, the bull's-eye floral pattern is strongly
The flower head also reflects quite strongly in near-IR.
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Last Update 17 June, 2003