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Firedot lichen Caloplaca on a granite tombstone...in City Cemetery. Bryan, Texas  
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Firedot lichen Caloplaca on a granite tombstone of Herne when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight in City Cemetery. Bryan, Texas, October 24, 2024

Location on mapsNorth Washington Avenue, Bryan, Brazos County, Texas, 77803, United States
#3635-17
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Thumbnail 3635-17: Firedot lichen Caloplaca on a granite...City Cemetery. Bryan, Texas Show full size picture

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Similar   Thumbnail of picture 3635-03: Tombstone of Herne(?) with firedot lichen Caloplaca when exposed to ... in City Cemetery. Bryan, Texas, October 24, 2024 Thumbnail of picture 3635-10: Caloplaca and Xanthoparmelia lichens on a granite tombstone when ... in City Cemetery. Bryan, Texas, October 24, 2024 Thumbnail of picture 3635-16: Firedot lichen Caloplaca on a tomb of W. S. Minkert when exposed to ... in City Cemetery. Bryan, Texas, October 24, 2024 Thumbnail of picture 3640-01: Sidewalk firedot lichen (Xanthocarpia feracissima, Caloplaca ... Fellow Cemetery. Anderson, Texas, November 9, 2024 Thumbnail of picture 3635-09: Marble tombstone of Hill(?) when exposed to regular daylight as well ... in City Cemetery. Bryan, Texas, October 24, 2024
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The image presents two photographs, taken on different days, of a granite tombstone bearing the name "Herne." The top image depicts the stone under regular daylight, while the bottom image captures it illuminated by a blacklight emitting 365 nm ultraviolet (UV-A) radiation.

**Granite Tombstone Details**

* Inscription: "HERNE"
* Surface: Granite
* Color: Yellowish-ochre

**Lighting Conditions**

* Top Image:
* Light Source: Daylight
* Illumination Level: Regular daylight
* Bottom Image:
* Light Source: Blacklight (365 nm UV-A)
* Illumination Level: Enhanced by blacklight

**Firedot Lichen Presence and Appearance**

* **Caloplaca on Granite:** The presence of Caloplaca, a type of lichen, is evident on the granite tombstone. This organism thrives in environments with low humidity and high light intensity.
* **Appearance Under Regular Daylight:**
* Coloration: Yellowish-ochre
* Texture: Smooth to slightly rough due to lichen growth
* **Appearance Under UV-A Blacklight:**
* Coloration: Enhanced yellowish-ochre with a reddish hue
* Texture: More pronounced texture due to the blacklight's effect on the lichen

**Conclusion**

The image effectively demonstrates how different lighting conditions can affect the appearance of organisms like Caloplaca growing on granite surfaces. The use of regular daylight and UV-A blacklight highlights the unique characteristics of this lichen, showcasing its adaptability to various environmental conditions. – AI vision

El líquen Firedot Caloplaca en una lápida de granito de Herne cuando se expone a la luz diurna regular, así como también cuando se ilumina con una luz negra ultravioleta (UV-A) de 365 nm en el Cementerio de la Ciudad. Bryan, Texas, 24 de octubre del 2024. La imagen presenta dos fotografías, tomadas en días diferentes, de una lápida de granito que lleva el nombre "Herne". La parte superior muestra la piedra bajo la luz diurna regular, mientras que la parte inferior captura la piedra iluminada por una luz negra que emite radiación ultravioleta (UV-A) de 365 nm. **Detalles de la lápida de granito** * Inscripción: "HERNE" * Superficie: Granito * Color: Ocre amarillento **Condiciones de iluminación** * Parte superior: * Fuente de luz: Luz diurna * Nivel de iluminación: Luz diurna regular * Parte inferior: * Fuente de luz: Luz negra (365 nm UV-A) * Nivel de iluminación: Mejorado por la luz negra **Presencia y aspecto del líquen Firedot** * **Caloplaca en granito:** La presencia de Caloplaca, un tipo de líquen, es evidente en la lápida de granito. Este organismo prospera en entornos con baja humedad e intensidad lumínica alta. * **Apariencia bajo luz diurna regular:** * Coloración: Ocre amarillento * Textura: Desde suave hasta ligeramente rugoso debido al crecimiento del líquen * **Apariencia bajo la luz negra de 365 nm UV-A:** * Coloración: Amarillo ocre intensificado con un matiz rojizo * Textura: Textura más pronunciada debido al efecto de la luz negra sobre el líquen **Conclusión** La imagen demuestra efectivamente cómo las diferentes condiciones de iluminación pueden afectar el aspecto de organismos como Caloplaca que crecen en superficies de granito. El uso de luz diurna regular y luz negra de 365 nm UV-A destaca las características únicas de este líquen, mostrando su adaptabilidad a diversas condiciones ambientales. – Spanish translation


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