Ulotrichales

Ulotrichales is an order of green algae in the class Ulvophyceae. Members of this order are most common in freshwater and marine habitats, although some are terrestrial or aerophytic.

Monostroma is a genus of marine green algae (seaweed) in the family Monostromataceae. As the name suggests, algae of this genus are monostromatic (single cell layered). Monostroma kuroshiense, an algae of this genus, is commercially cultivated in East Asia and South America for the edible product "hitoegusa-nori" or "hirohano-hitoegusa nori", popular sushi wraps. Monostroma oligosaccharides with degree of polymerization 6 prepared by agarase digestion from Monostroma nitidum polysaccharides have been shown to be an effective prophylactic agent during in vitro and in vivo tests against Japanese

Gayralia is a genus of green algae in the family Gayraliaceae.

Gomontiaceae is a family of green algae in the order Ulotrichales.

Gayraliaceae is a family of green algae in the order Ulotrichales.