 | 3510-20. Yellow thistle (Bull thistle, Cirsium horridulum) on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |
| 3510-20. Yellow thistle (Bull thistle, Cirsium horridulum) on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |
                                                                                                                                                                                                                                                         |