Medallion lichen (Dirinaria confusa) on bark of hackberry ...

The image shows a close-up view of a medallion lichen (Dirinaria confusa) growing on the bark of a hackberry tree. The medallion lichen is light green with darker veins and has a circular shape. It is slightly raised from the surface of the bark, giving it a three-dimensional appearance.

The surrounding area appears to be a mix of different types of bark, possibly from other trees or plants. There are no other organisms visible in the image besides the medallion lichen.

The overall quality of the photograph is high, with clear details and good lighting. The image provides a detailed view of the medallion lichen's structure and texture, making it suitable for scientific study or educational purposes.

**Summary:**

* Subject: Medallion lichen (Dirinaria confusa)
* Location: Washington-on-the-Brazos State Historic Site, Washington, Texas
* Date taken: December 28, 2019
* Description: Close-up view of medallion lichen growing on hackberry tree bark, with good lighting and clear details. – AI vision