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The sea lettuces comprise the genus Ulva, a group of edible green algae that is widely distributed along the coasts of the world's oceans. The type species within the genus Ulva is Ulva lactuca , lactuca being Latin for "lettuce".
Ulva lactuca, also known by the common name sea lettuce, [1] is an edible green alga in the family Ulvaceae. It is the type species of the genus Ulva . A synonym is U. fenestrata , referring to its "windowed" or "holed" appearance, Despite the name, it is not a lettuce .
Ulva intestinalis is a green alga in the family Ulvaceae, known by the common names sea lettuce, green bait weed, gutweed, [1] and grass kelp. [2] Until they were reclassified by genetic work completed in the early 2000s, the tubular members of the sea lettuce genus Ulva were placed in the genus Enteromorpha .
Ulva australis, the southern sea lettuce, is a species of bright green coloured seaweed in the family Ulvaceae that can be found in waters around Australia and was first described by Swedish botanist Johan Erhard Areschoug. It is an edible green algae, although sometimes designated as a seaweed. [1]
Palmaria palmata, also called dulse, dillisk or dilsk (from Irish/Scottish Gaelic duileasc / duileasg), red dulse, sea lettuce flakes, or creathnach, is a red alga previously referred to as Rhodymenia palmata. It grows on the northern coasts of the Atlantic and Pacific Oceans. It is a well-known snack food.
Red sea lettuce: Halymenia floridana: Easy [207] Moderate [207] Good [207] Low-Moderate [207] Moderate-High [207] Yes [207] Depending on depth, this algae may take on a red to yellow coloration. Like others of its genus, it is very delicate and possesses a smooth, gelatinous texture. It is also compact and features rounded and irregular blades ...
The San Pedro-based Marine Mammal Care Center is in need of donations and volunteers as it combats an algae bloom that has killed or sickened more than 1,000 creatures.
The Ulvophyceae or ulvophytes are a class of green algae, [3] distinguished mainly on the basis of ultrastructural morphology, life cycle and molecular phylogenetic data. [4] The sea lettuce, Ulva, belongs here. Other well-known members include Caulerpa, Codium, Acetabularia, Cladophora, Trentepohlia and Monostroma.