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
![Attractive and defensive functions of the ultraviolet pigments of a flower (Hypericum calycinum) | PNAS Attractive and defensive functions of the ultraviolet pigments of a flower (Hypericum calycinum) | PNAS](https://www.pnas.org/cms/10.1073/pnas.231471698/asset/080ea26e-e11e-49aa-986f-b1dc3705ead2/assets/graphic/pq2314716001.jpeg)
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
![Zinnia: UV Induced Visible Fluorescence - ultraviolet photography | Glowing flowers, Uv photography, Ultra violet Zinnia: UV Induced Visible Fluorescence - ultraviolet photography | Glowing flowers, Uv photography, Ultra violet](https://i.pinimg.com/736x/85/e4/0c/85e40ca8d10376e38e406209354656b6--ultraviolet-zinnias.jpg)
Zinnia: UV Induced Visible Fluorescence - ultraviolet photography | Glowing flowers, Uv photography, Ultra violet
![Check Out These Photos of Flowers in UV Light | #Ultraviolet #CelebratePhotography « Adafruit Industries – Makers, hackers, artists, designers and engineers! Check Out These Photos of Flowers in UV Light | #Ultraviolet #CelebratePhotography « Adafruit Industries – Makers, hackers, artists, designers and engineers!](https://cdn-blog.adafruit.com/uploads/2017/04/58efeddb2600003600c45a0f.jpeg)
Check Out These Photos of Flowers in UV Light | #Ultraviolet #CelebratePhotography « Adafruit Industries – Makers, hackers, artists, designers and engineers!
![This photographer takes photos of flowers and plants using UV-induced visible fluorescence, and the results are beautiful This photographer takes photos of flowers and plants using UV-induced visible fluorescence, and the results are beautiful](https://www.diyphotography.net/wp-content/uploads/2017/01/UV-flowers10-745x496.jpg?ezimgfmt=rs:371x247/rscb1/ngcb1/notWebP)
This photographer takes photos of flowers and plants using UV-induced visible fluorescence, and the results are beautiful
![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)