 | 860-05. Ruella (Ruellia) on a trail in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, May 15, 2010Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |
| 860-05. Ruella (Ruellia) on a trail in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, May 15, 2010Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |
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