 | 2422-13. Medallion lichen (Dirinaria confusa) on bark of a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |
| 2422-13. Medallion lichen (Dirinaria confusa) on bark of a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |
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