Ruppia cirrhosa USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 88. - Foto visualizzata 482 volte
| Ruppia maritima In anchialine pond at LaPerouse, Maui - Credit: Forest and Kim Starr - Plants of Hawaii - Image licensed under a Creative Commons Attribution 3.0 License, permitting sharing and adaptation with attribution. - Foto visualizzata 818 volte
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