Zostera marina

Range: N to AK, S to CA; E North America, Greenland, Europe, E Asia, N Africa

Description: Perennial, aquatic herb from slender rhizomes; stems annual, branching, arising from the rhizome nodes.  Alternate leaves,  2-12 mm wide and 100-250 cm long, with closed basal sheaths and rounded tips.

Ecology: Sheltered mid and low-intertidal flats, as well as subtidal flatsalong the coast.  Typically muddy or mud-sand substrates.


  • Eflora
  • Pojar, J. and A. MacKinnon.  1994.  Plants of coastal British Columbia: including Washington, Oregon & Alaska. Lone Pine Publishing. Vancouver. 528 p.

Learn about the importance and diversity of our wetlands

Wetlandkeepers is a 2½ day introduction to wetland identification and stewardship. The course offers individuals an opportunity for hands-on practice of wetland conservation skills, such as conducting wetland, plant and bird surveys, wetland mapping and raising public awareness. It is a fun, and often muddy weekend, for all ages. Participants that successfully complete the course are awarded a Wetlandkeepers Certificate.

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