A small island in the Inner Hebrides, Argyll and Bute council area, Scotland, off the coast of Mull (OS grid ref NM4040).

Any organism of the genus Ulva.

plural of ulva

Belonging to the Ulvaceae.

Any green alga of the order Ulvales

plural of ulvalean

plural of ulvan

Any of a class of sulfated polysaccharides found in the cell wall of the green alga Ulva pertusa.