 | 1458-13. Lace cactus (Mammillaria elongata) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, July 18, 2014Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |
| 1458-13. Lace cactus (Mammillaria elongata) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, July 18, 2014Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |
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