Submerged marine plant with very long narrow leaves found in abundance along North Atlantic coasts.

synonyms: grass wrack, sea wrack, Zostera marina.

Dutch: groot zeegras, zeegras
Polish: zostera morska, tasiemnica morska, trawa morska

Submerged aquatic plant with ribbonlike leaves; Old World and Australia.

synonyms: tape grass, Vallisneria spiralis, wild celery.

Dutch: zeegras
Polish: nurzaniec śrubowy