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Southern prairie aster (Eurybia hemispherica...Forest north from Montgomery. Texas  
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Southern prairie aster (Eurybia hemispherica) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight collected on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, August 31, 2024

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Thumbnail 3612-23: Southern prairie aster (Eurybia...north from Montgomery. Texas Show full size picture

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The image features two photographs of a Southern prairie aster (Eurybia hemispherica) taken under different lighting conditions:

**Top photograph:**

* The flower is illuminated by regular daylight.
* It exhibits its natural coloration, with purple petals and a yellow center.

**Bottom photograph:**

* The same flower is illuminated using a 365 nm ultraviolet (UV-A) blacklight.
* Under UV-A illumination, the purple petals fluoresce brightly.

The background of both images appears to be dark, suggesting that they were taken at night or in a low-light environment. – AI vision

El aster de pradera del sur (Eurybia hemispherica) cuando se expone a la luz diurna regular y también cuando se ilumina con una luz negra ultravioleta (UV-A) de 365 nm recogida en el North Wilderness Trail of Little Lake Creek Wilderness en Sam Houston National Forest al norte de Montgomery. Texas, agosto 31, 2024. La imagen muestra dos fotografías de un aster de pradera del sur (Eurybia hemispherica) tomadas bajo diferentes condiciones de iluminación: **Fotografía superior:** *La flor está iluminada por la luz diurna regular. *Presenta su coloración natural, con pétalos morados y un centro amarillo.**Fotografía inferior:***La misma flor se ilumina utilizando una luz negra ultravioleta (UV-A) de 365 nm. ***Bajo la iluminación UV-A, los pétalos morados fluorescen brillantemente. El fondo de ambas imágenes parece oscuro, lo que sugiere que se tomaron de noche o en un entorno con poca luz. – Spanish translation


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