 | 1450-08. Center of purple coneflower (Echinacea purpurea) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, July 5, 2014Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |
| 1450-08. Center of purple coneflower (Echinacea purpurea) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, July 5, 2014Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |
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