Common button lichen (Buellia stillingiana) on hackberry ... Common button lichen (Buellia stillingiana) on hackberry(?) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020The common button lichen (Buellia stillingiana) thrives on the hackberry tree at the Washington-on-the-Brazos State Historic Site in Washington, Texas. This photograph was taken on November 24, 2020, showcasing the intricate patterns and vibrant green hues of this fascinating organism. - generated by AI The image presents a close-up view of the bark of an unidentified type of tree, likely a hackberry (Celtis occidentalis), in Washington-on-the-Brazos State Historic Site, Texas. The tree's bark is primarily light gray with rough patches and fissures. **Lichen Identification** The lichen covering the majority of the image appears to be Common Button Lichen (Buellia stillingiana). This lichen has a distinct button-like shape in shades of dark brown to blackish, ranging from 1-5 mm in diameter. The coloration is likely due to the presence of melanin pigments. **Other Observations** In addition to the Common Button Lichen, two other lichens are visible on the tree's bark: * A smaller green-colored lichen with a circular shape **Image Details** The image is presented in portrait orientation and features a shallow depth of field. The background of the image consists solely of the tree's bark, showcasing various lichens that have colonized it. Overall, the image provides an up-close view of the diverse range of lichens that can be found on trees in Texas. – AI vision |
College Station - Washington ... 2020 |
|
  |
  |
Slideshow: |
|