Syringodium

Syringodium is a genus in the family Cymodoceaceae described as a genus in 1860. It is found along shorelines of tropical and subtropical marine environments (Indian and Pacific Oceans, Caribbean, Gulf of Mexico).

Species
There are two recognised species
 * Syringodium filiforme Kütz. - shores of Gulf of Mexico (TX LA MS FL, Tamaulipas, Veracruz, Tabasco, Yucatán Peninsula), and Caribbean (Bahamas, Bermuda, Cayman Islands, Greater + Lesser Antilles, Central America, Venezuela, Colombia)
 * Syringodium isoetifolium - Indian + western Pacific shores including Red Sea, Persian Gulf, South China Sea: Africa (Egypt to Mozambique, Madagascar, Socotra, Seychelles, Mauritius, Réunion, Maldives, Andaman & Nicobar, Arabian Peninsula, Indian Subcontinent, Southeast Asia, southern China, Papuasia, northern Australia, Papuasia, Micronesia