 | 699-23. Purple coneflower (Echinacea purpurea) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, January 11, 2009Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |
| 699-23. Purple coneflower (Echinacea purpurea) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, January 11, 2009Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |
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