Synonyms for Submersed:

adj.

submerged (adjective)
underwater.

n.

arboreal, aromatic, biennial, barren, androgynous, bare, bushy, creeping, algal. submerged (noun)
marine, wet.
submersed (noun)
subaqueous, submerged, subsurface, subaquatic, underwater, aquatic.

Other synonyms:

Other relevant words:
submerged.