Underside of hairy bracket mushroom (Trametes hirsuta) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Washington-on-the-Brazos State Historic Site. Washington, Texas

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Washington-on-the-Brazos - College Station, Texas, August 29 - 30, 2024

Album 3611: Washington-on-the-Brazos - College Station, Texas, August 29 - 30, 2024

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The image presents a comparative view of the underside of a hairy bracket mushroom (Trametes hirsuta), showcasing its appearance under natural daylight and when illuminated by a 365 nm ultraviolet (UV-A) blacklight.

**Natural Daylight:**

* The bottom half of the image displays the underside of the mushroom in its natural state, exposed to regular daylight.
* The surface appears white with a rough texture, suggesting the presence of hairs or other microfeatures that contribute to its hirsute appearance.

**UV-A Blacklight Illumination:**

* The top half of the image reveals the same area illuminated by a 365 nm UV-A blacklight.
* Upon exposure to UV light, the mushroom's surface exhibits a bright blue-green fluorescence, indicating the presence of fluorescent compounds within the mycelium or fruiting body.
* This phenomenon is characteristic of many fungi, which often contain pigments that absorb ultraviolet radiation and emit light at longer wavelengths.

**Comparison:**

* The contrast between the two images highlights the distinct characteristics of the hairy bracket mushroom under different lighting conditions.
* While it appears relatively plain under natural daylight, its true nature is revealed through UV-A blacklight illumination, showcasing a vibrant blue-green fluorescence that may be indicative of bioluminescent properties or other physiological processes.

**Conclusion:**

The image effectively demonstrates how different lighting conditions can reveal unique aspects of fungal biology and morphology. The hairy bracket mushroom's ability to fluoresce under UV-A light suggests the presence of specialized pigments or structures, potentially related to its ecological role or survival strategies in its environment. – AI vision

🇪🇸 Descripción en español / Spanish Description

El lado inferior de un hongo peludo (Trametes hirsuta) cuando se expone a la luz diurna regular, así como también cuando se ilumina con una luz negra ultravioleta (UV-A) de 365 nm desde el sitio histórico estatal de Washington-on-the-Brazos. Washington, Texas, 29 de agosto de 2024. La imagen presenta una vista comparativa del lado inferior de un hongo peludo (Trametes hirsuta), mostrando su apariencia bajo luz diurna natural y cuando se ilumina con una luz negra ultravioleta (UV-A) de 365 nm. **Luz Natural:** * La mitad inferior de la imagen muestra el lado inferior del hongo en su estado natural, expuesto a luz diurna regular. * La superficie parece blanca con una textura rugosa, lo que sugiere la presencia de pelos u otras microestructuras que contribuyen a su aspecto peludo. **Iluminación con Luz Negra UV-A:** * La mitad superior de la imagen muestra el mismo área iluminada por una luz negra UV-A de 365 nm. * Tras la exposición a la luz ultravioleta, la superficie del hongo presenta una fuerte fluorescencia verde azulada, lo que indica la presencia de compuestos fluorescentes dentro del micelio o el cuerpo fructífero. * Este fenómeno es característico de muchos hongos, que a menudo contienen pigmentos que absorben radiación ultravioleta y emiten luz a longitudes de onda más largas. **Comparación:** * El contraste entre las dos imágenes resalta los rasgos distintivos del hongo peludo en diferentes condiciones de iluminación. * Aunque parece relativamente simple bajo la luz diurna natural, su verdadera naturaleza se revela a través de la iluminación con luz negra UV-A, mostrando una fuerte fluorescencia verde azulada que puede ser indicativa de propiedades bioluminescentes u otros procesos fisiológicos. **Conclusión:** La imagen demuestra efectivamente cómo las diferentes condiciones de iluminación pueden revelar aspectos únicos de la biología y morfología fúngica. La capacidad del hongo peludo para fluorescer bajo luz UV-A sugiere la presencia de pigmentos o estructuras especializadas, potencialmente relacionados con su papel ecológico o estrategias de supervivencia en su entorno. – Spanish translation

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