 | 2457-12. Rough speckled shield lichen (Punctelia rudecta) on a tree on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 1, 2019Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |
| 2457-12. Rough speckled shield lichen (Punctelia rudecta) on a tree on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 1, 2019Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |
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