Zostera n. : A genus of plants of the Naiadaceae, or Pondweed family. Zostera marina is commonly known as sea wrack, and eelgrass.

Example:
Which adaptations allow Zostera marina to survive in the marine biome?

Taxonomy
Zostera, eelgrass, Zostera marina, free encyclopedia, Zostera species, unranked, genus, marine, Zostera capricorni, Zostera nana, leaf, beds, substrate, plant, solutes, tide, winter food, search.

Defination from the web:
Zostera beds are important for sediment deposition, substrate stabilization, as substrate for epiphytic algae and micro-invertebrates, and as ... Zostera is able to maintain its turgor at a constant pressure in response to fluctuations in environmental osmolarity. ...