How do you classify ulva?

Ulva, commonly known as sea lettuce, is classified as a green algae within the phylum Chlorophyta. It belongs to the order Ulvales and the family Ulvaceae. Characterized by its thin, green, leafy thallus, Ulva is typically found in marine environments, often in intertidal zones. Its growth forms can vary from a single layer to multi-layered structures, depending on environmental conditions.