Posidonia seagrass

Posidonia oceanica, Posidonia meadow, Neptune grass, Mediterranean tapeweed

only grows in clean, unpolluted waters
blooms in spring produces floating fruits commonly called “sea olives”
forms large underwater meadows
like all seagrasses, Posidonia oceanica reproduces by cloning
seagrasses are flowering plants with terrestrial ancestors that returned to the sea and re-adapted to the aquatic environment
scientists say they believe Posidonia seagrass may be the oldest living organism on Earth

Posidonia is named after Poseidon, the Greek god of the seas

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