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Floridan coast
Found near shore or in estuaries, seagrass (or sea-grass in British English) are seed plants[?] that grow under brackish, freshwater, and seawater water to a depth at which sunlight can penetrate. Seagrass is found in environments. Their root penetrate into the mud[?] or sand of sea floor.

It is named after the terrestrial grass for the physical resemblance.

The most famous of the seagrasses, eelgrass (Zostera marina), is the only fully submerged flowering plant. Strapweed (Posidonia australis) is another common seagrass.

Johnson's seagrass in Florida coast
Some seagrasses, like Johnson's seagrass (Halophila johnsonii), reproduce asexually.

Consumers include dugong, some juvenile fish and crabs. Some fishes lay eggs on the blades.

"Seagrass" can also refer to:

  • Armeria maritima, seapink
  • Enteromorpha compressa, an alga
  • Ruppia maritima, pondweed[?]
  • Spartina stricta, a grass
  • Salicornia herbacea, a glasswort

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