 | 651-11. Vervain (Verbena) inflorescence in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 14, 2008Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |
| 651-11. Vervain (Verbena) inflorescence in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 14, 2008Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |
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