noun Botany. a plant, especially a marine plant, large enough to be visible to the naked eye.

What does macrophyte means?

Macrophytes are aquatic plants growing in or near water. They may be either emergent (i.e., with upright portions above the water surface), submerged or floating. Examples of macrophytes include cattails, hydrilla, water hyacinth and duckweed. Macrophyte sampling during the 2012 National Lakes Assessment in Colorado.

What does the word fluvial mean?

1 : of, relating to, or living in a stream or river. 2 : produced by the action of a stream a fluvial plain.