| Senecio aquaticus Hill. |
| Asteraceae |
 |
| Visible
light (L37C filter) |
 |
| UV
light (U-330 + BG-38, SB-140) |
| Both
images: Nikon D70 , UV-Nikkor 105 mm f/4.5 @200 ISO © Bjørn Rørslett/NN |
| Marsh Ragwort is quite similar to the Common Ragwort (S. jacobea) as far as UV marks are concerned, but the UV guide is even stronger and more well-developed. Also, the ray florets reflect intensively in ultraviolet light. |
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Last Update 19 August, 2005