Bark rash lichen (Pyrenula cruenta) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas

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Sam Houston Forest, Texas, November 26, 2020

Album 2821: Sam Houston Forest, Texas, November 26, 2020

The image depicts a close-up view of a lichen growing on tree bark. The lichen is characterized by its reddish-brown color and irregularly shaped thalli (branching structures) that are partially overlapping each other. These thalli have a thin, translucent outer layer, while the inner layer appears more opaque.

The lichen covers an extensive area of the tree trunk, with some parts having a more dense growth than others. The surface texture of the bark is visible through the cracks and crevices between the thalli, giving it a somewhat rough appearance.

In addition to the lichen, there are also some small, dark-colored dots scattered throughout the image. These dots appear to be fungal fruiting bodies or spores, which are common on tree trunks where fungi have colonized the bark.

Overall, the image provides a detailed view of the intricate structures and textures found in this type of lichen, as well as its relationship with the surrounding environment. – AI vision

🇪🇸 Descripción en español / Spanish Description

La especie de hongo "Bark rash lichen" (Pyrenula cruenta) en el Camino Caney Creek Trail (Little Lake Creek Loop Trail) en Sam Houston National Forest al norte de Montgomery, Texas, el 26 de noviembre de 2020. La imagen muestra una vista detallada del hongo que crece sobre la corteza del árbol. El hongo se caracteriza por su color pardo rojizo y los talos (estructuras ramificadas) de forma irregular, que se solapan parcialmente entre sí. Estos talos tienen una capa externa delgada y translúcida, mientras que la capa interna parece más opaca. El hongo cubre una gran área del tronco del árbol, con algunas partes que crecen de manera más densa que otras. La textura de la corteza es visible a través de grietas y hendiduras entre los talos, lo que le da un aspecto rugoso. Además del hongo, hay pequeños puntos oscuros dispersados por toda la imagen. Estos puntos parecen ser cuerpos fructíferos u esporas, comunes en troncos de árboles donde los hongos han colonizado la corteza. En general, la imagen proporciona una vista detallada de las estructuras e intrincadas texturas que se encuentran en este tipo de hongo, así como su relación con el entorno circundante. – Spanish translation

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