 | 3127-18. Top view of Bull thistle (Cirsium horridulum) on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |
| 3127-18. Top view of Bull thistle (Cirsium horridulum) on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |
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