The image features a close-up view of a spreading lichen called Cryptothecia striata growing on the trunk of a tree in Big Creek Scenic Area within Sam Houston National Forest.
* The main subject is the lichen, which is characterized by its greenish-gray color and irregularly shaped thallus. It has small, pointed lobes that are densely packed together.
* The thallus of Cryptothecia striata is typically rounded or oval in shape and can be up to 5 cm (2 inches) in diameter.
* The lichen's color ranges from pale green to dark brown, depending on the amount of sunlight it receives and its environmental conditions.
* The background of the image shows the tree trunk, which has a rough, bark-like texture. The bark is darker brown than the lichen and appears to be weathered and worn in some areas.
**Summary:**
The image showcases a close-up view of Cryptothecia striata, a spreading lichen that covers the trunk of a tree in Big Creek Scenic Area within Sam Houston National Forest. The lichen has small, pointed lobes densely packed together on its greenish-gray thallus and is growing on a rough, bark-like background. – AI vision
Se observa la propagación del líquen Cryptothecia striata en un árbol del Área Escénica de Big Creek dentro de la Sam Houston National Forest. Shepherd, Texas, 1 de febrero de 2019. La imagen muestra una vista detallada de un líquen llamado Cryptothecia striata que se propaga por el tronco de un árbol en el área escénica de Big Creek dentro de la Sam Houston National Forest. * El sujeto principal es el líquen, caracterizado por su color grisáceo y su tallo irregularmente conformado. Tiene lóbulos puntiagudos que están densamente juntos. * El tallo de Cryptothecia striata tiene una forma redonda u ovalada y puede medir hasta 5 cm (2 pulgadas) de diámetro. * El color del líquen oscila entre verde claro y marrón oscuro, dependiendo de la cantidad de luz solar que recibe y sus condiciones ambientales. * En el fondo de la imagen se observa el tronco del árbol, que tiene una textura rugosa similar a la corteza. La corteza es más oscura que el líquen y parece haberse desgastado y desgastado en algunas áreas. **Resumen:** La imagen muestra una vista detallada de Cryptothecia striata, un líquen que se propaga por el tronco de un árbol en el área escénica de Big Creek dentro de la Sam Houston National Forest. El líquen tiene pequeños lóbulos puntiagudos densamente empaquetados sobre su tallo grisáceo y está creciendo sobre un fondo rugoso similar a la corteza. – Spanish translation
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