Polypore mushrooms Ganoderma sessile when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight collected on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas

🎞️ #3619-23

The image presents a striking comparison between two photographs of Ganoderma sessile mushrooms, showcasing their appearance under normal daylight and when illuminated by a 365 nm ultraviolet (UV-A) blacklight.

**Upper Photograph**

* The mushroom is positioned on the left side of the frame.
* It features a large brown cap with a lighter-colored margin.
* The stem is not visible in this image.

**Lower Photograph**

* The same mushroom, now illuminated by UV-A blacklight, exhibits a distinct change in coloration:
   + The cap appears more vibrant and fluorescent, displaying shades of pink and green.
   + A thin line runs down the center of the cap, potentially indicating where the stem meets the cap.
* In contrast to the upper image, the mushroom's surface features small dark spots or patches scattered throughout.

**Key Observations**

* The UV-A blacklight reveals a previously unseen pattern on the mushroom's surface.
* The coloration and texture of the mushroom under normal daylight conditions differ significantly from its appearance when illuminated by UV-A light.

Overall, the image highlights the unique properties of Ganoderma sessile mushrooms and their ability to exhibit different characteristics depending on the lighting conditions. – AI vision

🇪🇸 Descripción en español / Spanish Description

Los hongos Polypore Ganoderma sessile cuando se exponen a la luz del día regular y cuando se iluminan con una luz negra ultravioleta (UV-A) de 365 nm recogida en el Caney Creek Trail (Little Lake Creek Loop Trail) en el Bosque Nacional Sam Houston al norte de Montgomery, Texas, el 13 de septiembre del 2024. La imagen presenta una sorprendente comparación entre dos fotografías de hongos Ganoderma sessile, que muestran su aspecto bajo la luz diurna normal y cuando se iluminan con una luz negra ultravioleta (UV-A) de 365 nm. **Fotografía superior** * El hongo está ubicado en el lado izquierdo del marco. * Tiene un sombrero marrón grande con un borde más claro. * El tallo no es visible en esta imagen. **Fotografía inferior** * El mismo hongo, ahora iluminado por luz UV-A, exhibe un cambio distintivo en la coloración: + El sombrero parece más vibrante y fluorescente, mostrando tonos de rosa y verde. + Un delgado surco discurre por el centro del sombrero, lo que indica potencialmente dónde se une el tallo al sombrero. * En contraste con la imagen superior, la superficie del hongo presenta pequeñas manchas o parches oscuros dispersos por toda ella. **Observaciones clave** * La luz UV-A revela un patrón previamente oculto en la superficie del hongo. * La coloración y textura del hongo bajo condiciones de luz diurna normales difieren significativamente de su aspecto cuando se ilumina con luz UV-A. En general, la imagen resalta las propiedades únicas de los hongos Ganoderma sessile y su capacidad para presentar características diferentes dependiendo de las condiciones de iluminación. – Spanish translation

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