Southern strap lichen (Ramalina stenospora) 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 striking comparison between two photographs of the Southern strap lichen (Ramalina stenospora), showcasing its unique appearance under different lighting conditions.

**Image Details**

* The top photograph features the lichen as it appears under regular daylight.
* The bottom photograph captures the lichen illuminated by a 365 nm ultraviolet (UV-A) blacklight.
* The photographs are presented in a side-by-side arrangement, with the UV-A blacklight image on the right.

**Visual Differences**

* Under regular daylight, the lichen has a subdued greenish-yellow hue and appears fairly uniform in texture.
* In contrast, when exposed to UV-A light, the lichen exhibits a vibrant blue-green coloration and displays a complex network of fine, branching filaments that are not visible under normal lighting conditions.

**Overall Impression**

The image effectively highlights the remarkable adaptability of the Southern strap lichen to different environmental conditions. – AI vision

🇪🇸 Descripción en español / Spanish Description

El liquen en forma de correa del sur (Ramalina stenospora) cuando se expone a la luz diurna regular, así como 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 sorprendente comparación entre dos fotografías del liquen en forma de correa del sur (Ramalina stenospora), mostrando su apariencia única bajo diferentes condiciones de iluminación. **Detalles de la Imagen** * La fotografía superior muestra el líquen como aparece bajo luz diurna regular. * La fotografía inferior captura el líquen iluminado por una luz negra ultravioleta (UV-A) de 365 nm. * Las fotografías se presentan en disposición lateral, con la imagen UV-A a la derecha. **Diferencias Visuales** * Bajo luz diurna regular, el líquen tiene un matizado tono amarillo verdoso y parece bastante uniforme en textura. * En contraste, cuando se expone a luz UV-A, el liquen muestra una coloración azul verde vibrante y exhibe una compleja red de filamentos ramificados que no son visibles bajo condiciones normales de iluminación. **Impresión General** La imagen destaca efectivamente la notable adaptabilidad del líquen en forma de correa del sur a diferentes condiciones ambientales. – Spanish translation

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