 | 989-10. Warts on bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |
| 989-10. Warts on bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |
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