Peterson Field Guides - Many flowers appear differently under UV light, often showing patterns of rings or lines not visible to our naked eye. The photos above show Rudbeckia flowers as our
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Attractive and defensive functions of the ultraviolet pigments of a flower (Hypericum calycinum) | PNAS
![Rutger Vos on Twitter: "Flowers under UV light (more: https://t.co/0v91aJjaBN) https://t.co/yw26XLxZnk" / Twitter Rutger Vos on Twitter: "Flowers under UV light (more: https://t.co/0v91aJjaBN) https://t.co/yw26XLxZnk" / Twitter](https://pbs.twimg.com/media/DWgBFyKW0AE0vC-.jpg)
Rutger Vos on Twitter: "Flowers under UV light (more: https://t.co/0v91aJjaBN) https://t.co/yw26XLxZnk" / Twitter
![DPReview TV: Ultraviolet light – see the world through the eyes of insects: Digital Photography Review DPReview TV: Ultraviolet light – see the world through the eyes of insects: Digital Photography Review](https://3.img-dpreview.com/files/p/articles/6222641961/uv_light_see_the_world_through_the_eyes_of_insects.jpeg)
DPReview TV: Ultraviolet light – see the world through the eyes of insects: Digital Photography Review
![Craig Burrows uses UV light to create fluorescent flowers series | Professional Photographers of America Craig Burrows uses UV light to create fluorescent flowers series | Professional Photographers of America](https://www.ppa.com/assets/images/ppmag_articles/20196header_iris-5.jpg)