- Zostera, genus Zostera - (or in some classifications family Zosteraceae) small genus of widely distributed marine plants
--1 is a kind of monocot genus, liliopsid genus
--1 is a member of Potamogetonaceae, family Potamogetonaceae, pondweed family
--1 has members: eelgrass, grass wrack, sea wrack, Zostera marina