 | 731-13. Violet wood sorrel (shamrock, Oxalis violacea?) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, April 5, 2009Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |
| 731-13. Violet wood sorrel (shamrock, Oxalis violacea?) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, April 5, 2009Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |
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