Subordinate species

Species name Scientific name
Round leaves Hydrocharitaceae
Neptune grass Posidonia oceanica (seaball)
Spiral tasselweed Ruppia cirrhosa
Beaked tasselweed Ruppia maritima
Sea arrowgrass Triglochin maritimum
Marsh arrowgrass Triglochin palustre
Horned pondweed Zannichellia palustris
Common eelgrass Zostera marina
Dwarf eelgrass Zostera noltei