Alga and Water plant

Alga noun - Primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves.

Water plant and alga are semantically related in kelp topic. In some cases you can use "Water plant" instead a noun "Alga".

Nearby Word: algal

Water plant 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.

Alga and water plant are semantically related in kelp topic. You can use "Alga" instead a noun phrase "Water plant".