Hydrophyte and Vallisneria spiralis

Hydrophyte noun - A plant that grows partly or wholly in water whether rooted in the mud, as a lotus, or floating without anchorage, as the water hyacinth.

Vallisneria spiralis and hydrophyte are semantically related. In some cases you can replace phrase "Vallisneria spiralis" with "Hydrophyte", this terms are similar.

Vallisneria spiralis noun - Submerged aquatic plant with ribbonlike leaves; Old World and Australia.

Hydrophyte and Vallisneria spiralis are semantically related. You can use "Hydrophyte" instead a noun phrase "Vallisneria spiralis".