Spectral comparison of a Common Daisy flower (Bellis perennis) photographed with reflected visible light (top), ultraviolet light (middle), and infrared light (bottom). The flower does not have any ultraviolet markings on its petals, but the centre appears much darker in ultraviolet. The tonality of the flower is much the same under infrared light as it is in visible light.
This image is free for you to use and is licensed under the Creative Commons licence CC-BY-SA 3.0. If you use this image please credit Dave Kennard / www.davidkennardphotography.com.
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