 | 1551-20. Beaked tasselweed (widgeongrass, Ruppia maritima) with roots extracted from Abu Nakhla wastewater treatment ponds. Doha, Qatar, February 27, 2015Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |
| 1551-20. Beaked tasselweed (widgeongrass, Ruppia maritima) with roots extracted from Abu Nakhla wastewater treatment ponds. Doha, Qatar, February 27, 2015Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |
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